meetforever/GRPO_CL huggingface dataset:
user: Let \((1+x+x^2)^n = a_0 + a_1x + a_2x^2 + \ldots + a_{2n}x^{2n}\) be an identity in \(x\). If we let \(s = a_0 + a_2 + a_4 + \ldots + a_{2n}\), the original answer is in the form \(\frac{k \cdot 3^n + m}{n}\), where n cannot be divisible by 2. Please find the value of \(k + m + n\).
Answer: 4
user: Line $\ell$ in the coordinate plane has the equation $3x - 5y + 40 = 0$. This line is rotated $45^{\circ}$ counterclockwise about the point $(20, 20)$ to obtain line $k$. What is the $x$-coordinate of the $x$-intercept of line $k$?
Answer: 15
user: Triangle $ABC$, with sides of length $5$, $6$, and $7$, has one vertex on the positive $x$-axis, one on the positive $y$-axis, and one on the positive $z$-axis. Let $O$ be the origin. What is the volume of tetrahedron $OABC$? If the answer is \(\sqrt{x}\), what is the value of \(x\)?
Answer: 95
user: 定义序列 $\{a_n\}_{n\geq 1}$ 如下：
- 当 $n \leq 2$ 时，$a_n = n - 1$
- 对于所有 $n \geq 2$，$a_n$ 是 $a_{n-1} + a_{n-2}$ 除以 $3$ 的余数

计算从 $a_{2018}$ 到 $a_{2025}$ 的项的和 $\sum_{i=2018}^{2025} a_i$。
Answer: 9
user: Let $P(x) = 1 - x + x^2 - x^3 + \dots + x^{18} - x^{19}$ and $Q(x) = P(x - 1)$. Find the coefficient of $x^2$ in polynomial $Q$.
Answer: 1140
user: How many base 10 four-digit numbers, $N = \underline{a} \underline{b} \underline{c} \underline{d}$, satisfy all three of the following conditions?

(i) $4000 \leq N < 6000;$  
(ii) $N$ is a multiple of 5;  
(iii) $3 \leq b < c \leq 6$.

Find the number of such numbers.
Answer: 24
user: Let $ABCD$ be a quadrilateral with sides $|\overline{AB}|=2$, $|\overline{BC}|=|\overline{CD}|=4$, and $|\overline{DA}|=5$. The opposite angles, $\angle A$ and $\angle C$, are equal. What is the length of diagonal $BD$? The original answer is in $k\sqrt{m}$ format, please give the value of k + m.
Answer: 8
user: How many ordered pairs of integers $(x, y)$ satisfy the equation $$x^{2020} + y^2 = 2y?$$
Answer: 4
user: Square $BDEC$ with center $F$ is constructed on the outside of triangle $ABC$ such that $\angle A = 90^\circ$, $|AB| = \sqrt{12}$, $|AC| = 2$. If $[AF] \cap [BC] = \{G\}$, find the length of $|BG|$. The original answer is in the form $m - n\sqrt{p}$, please give the value of $m + n + p$.
Answer: 11
user: How many ways are there to make change for $55$ cents using any number of pennies, nickels, dimes, and quarters?
Answer: 60
user: What is the largest possible area of an isosceles trapezoid in which the largest side is $13$ and the perimeter is $28$? Find the largest possible area.
Answer: 27
user: Ali and Veli go hunting. The probability that each will successfully hit a duck is \(\frac{1}{2}\) on any given shot. During the hunt, Ali shoots 12 times, and Veli shoots 13 times. What is the probability that Veli hits more ducks than Ali? Express your answer in the form \(\frac{k}{m}\), where \(\frac{k}{m}\) is in simplest form, and find the value of k + m.
Answer: 3
user: We call a number $10^3 < n < 10^6$ a balanced number if the sum of its last three digits is equal to the sum of its other digits. Find the sum of all balanced numbers in $\bmod{13}$.
Answer: 0
user: How many ordered pairs $(s, d)$ of positive integers with $4 \leq s \leq d \leq 2019$ are there such that when $s$ silver balls and $d$ diamond balls are randomly arranged in a row, the probability that the balls on each end have the same color is $\frac{1}{2}$? Provide your answer as an integer.
Answer: 60
user: A six-digit number (base 10) is considered "squarish" if it satisfies the following conditions:

1. None of its digits are zero.
2. It is a perfect square.
3. The first two digits, the middle two digits, and the last two digits of the number are all perfect squares when considered as two-digit numbers.

How many squarish numbers are there? Provide your answer as an integer.
Answer: 2
user: Squares $ABCD$ and $EFGH$ are congruent, $AB=10$, and $G$ is the center of square $ABCD$. Find the area of the region in the plane covered by these squares.
Answer: 175
user: A pyramid of non-negative integers is constructed as follows:

1. The first row consists of only $0$.
2. The second row consists of $1$ and $1$.
3. The $n^{th}$ row (for $n > 2$) is an array of $n$ integers, where the leftmost and rightmost elements are equal to $n - 1$, and the interior numbers are equal to the sum of two adjacent numbers from the $(n - 1)^{th}$ row.

Let $S_n$ be the sum of numbers in the $n^{th}$ row. Determine the remainder when dividing $S_{2018}$ by $2018$.
Answer: 2
user: Find the number of 3-digit numbers not containing the digit 0 and such that one of the digits is the sum of the two others.
Answer: 108
user: How many integer pairs $(m,n)$ are there satisfying the equation $4mn(m+n-1)=(m^2+1)(n^2+1)$? Provide your answer as an integer.
Answer: 5
user: A privateer discovers a merchantman $10$ miles to leeward at 11:45 a.m. and with a good breeze bears down upon her at $11$ mph, while the merchantman can only make $8$ mph in her attempt to escape. After a two-hour chase, the top sail of the privateer is carried away; she can now make only $17$ miles while the merchantman makes $15$. At what time will the privateer overtake the merchantman? Provide your answer in the format of H:MM PM, where H and MM are two-digit numbers (possibly with leading zeros). Please give the value of H + MM.
Answer: 35
user: Five equilateral triangles, each with side $2\sqrt{3}$, are arranged so they are all on the same side of a line containing one side of each. Along this line, the midpoint of the base of one triangle is a vertex of the next. What is the area of the region of the plane that is covered by the union of the five triangular regions? Express your answer in the form of $a\sqrt{b}$, where $a$ and $b$ are integers. Please provide the value of a + b.
Answer: 15
user: Each of 100 students sends messages to 50 different students. Find the least number of pairs of students who send messages to each other.
Answer: 50
user: Three men, Alpha, Beta, and Gamma, working together, do a job in $6$ hours less time than Alpha alone, in $1$ hour less time than Beta alone, and in one-half the time needed by Gamma when working alone. Let $h$ be the number of hours needed by Alpha and Beta, working together to do the job. The original answer is in \(\frac{k}{m}\) format, please give the value of \(k + m\).
Answer: 7
user: The vertices of a quadrilateral lie on the graph of $y = \ln x$, and the $x$-coordinates of these vertices are consecutive positive integers. The area of the quadrilateral is $\ln \frac{91}{90}$. What is the $x$-coordinate of the leftmost vertex?
Answer: 12
user: An observer stands on the side of the front of a stationary train. When the train starts moving with constant acceleration, it takes $5$ seconds for the first car to pass the observer. If the time it takes for the $10^{\text{th}}$ car to pass is $x$ seconds, find the value of $100x$.
Answer: 81
user: When simplified, \( (x^{-1} + y^{-1})^{-1} \) is equal to what expression in the form \(\frac{kx}{my}\)? Please find the value of k + m.
Answer: 2
user: Square $PQRS$ lies in the first quadrant. Points $(3,0)$, $(5,0)$, $(7,0)$, and $(13,0)$ lie on lines $SP$, $RQ$, $PQ$, and $SR$, respectively. If the sum of the coordinates of the center of the square $PQRS$ is $x$, what is the value of $10x$?
Answer: 64
user: What is the $33$-rd number after the decimal point of $(\sqrt{10} + 3)^{2001}$?
Answer: 0
user: A box contains 11 balls, numbered 1, 2, 3, ..., 11. If 6 balls are drawn simultaneously at random, find the probability that the sum of the numbers on the balls drawn is odd. Express your answer as a fraction in simplest form, \(\frac{k}{m}\), and provide the value of k + m.
Answer: 349
user: If two poles $20''$ and $80''$ high are $100''$ apart, find the height (in inches) of the intersection of the lines joining the top of each pole to the foot of the opposite pole.
Answer: 16
user: What is the largest volume of a sphere which touches a unit sphere internally and touches externally a regular tetrahedron whose corners are over the unit sphere? Express your answer as a fraction in the form \(\frac{k}{m}\), and give the value of \(k + m\).
Answer: 4
user: Corners are sliced off a unit cube so that the six faces each become regular octagons. The original answer for the total volume of the removed tetrahedra is in the form \(\frac{k - m\sqrt{2}}{n}\). Please find the value of k + m + n.
Answer: 20
user: What is the radius of a circle inscribed in a rhombus with diagonals of length \(10\) and \(24\)? Express your answer in the form \(\frac{k}{m}\), where the fraction is in simplest form. Please find the value of \(k + m\).
Answer: 73
user: Let $f(x) = \sqrt{\sin^4 x + 4\cos^2 x} - \sqrt{\cos^4 x + 4\sin^2 x}$. Find an equivalent form of $f(x)$ in the format $k\cos mx$. Please provide the value of $k + m$.
Answer: 3
user: How many integer pairs \((x, y)\) are there such that:
\[0 \leq x < 165, \quad 0 \leq y < 165 \text{ and } y^2 \equiv x^3 + x \pmod{165}?\]
Find the number of such integer pairs.
Answer: 99
user: In a class, some pupils learn German, while others learn French. The number of girls learning French and the number of boys learning German total to 16. There are 11 pupils learning French, and there are 10 girls in the class. Besides the girls learning French, there are 16 pupils. How many pupils are there in the class?
Answer: 23
user: Let $A$, $B$ be the number of digits of $2^{1998}$ and $5^{1998}$ in the decimal system. Find the value of $A + B$.
Answer: 1999
user: A digital watch displays hours and minutes with $\text{AM}$ and $\text{PM}$. What is the largest possible sum of the digits in the display?
Answer: 23
user: What is the probability of having $2$ adjacent white balls or $2$ adjacent blue balls in a random arrangement of $3$ red, $2$ white, and $2$ blue balls? Provide your answer in the form \(\frac{k}{m}\), where the fraction is in simplest form. Calculate the value of \(k + m\).
Answer: 31
user: Find the number of solution-pairs in the positive integers of the equation $3x + 5y = 501$.
Answer: 33
user: In a ten-mile race, First beats Second by $2$ miles and First beats Third by $4$ miles. If the runners maintain constant speeds throughout the race, by how many miles does Second beat Third? Provide your answer in the form of a fraction \frac{k}{m}, and then calculate the value of k + m.
Answer: 7
user: In $\triangle ABC$, $AB = 10$, $AC = 8$, and $BC = 6$. Circle $P$ is the circle with the smallest radius that passes through $C$ and is tangent to $AB$. Let $Q$ and $R$ be the points of intersection, distinct from $C$, of circle $P$ with sides $AC$ and $BC$, respectively. If the length of segment $QR$ is $x$, what is the value of $10x$?
Answer: 48
user: Albert, Bob, and Charlie are each thinking of a number. Albert's number is one more than twice Bob's. Bob's number is one more than twice Charlie's, and Charlie's number is two more than twice Albert's. What number is Albert thinking of? The original answer is in \frac{k}{m} format, please give the value of k + m.
Answer: -4
user: Pikachu, Charmander, and Vulpix are three of the four equally-skilled players in a Pokemon bracket tournament. Because they are equally skilled, whenever any two of the players battle, they are equally likely to win. In the bracket tournament, the four players are randomly paired into two rounds, each round consisting of two players. The winners of the first two rounds then play each other in the final round. The winner of the final match ranks first; the loser of the final round ranks second; and the two losers of the previous rounds jointly rank third. What is the probability that Charmander plays Vulpix in a round, but ranks lower than Pikachu? Express your answer in the form \(\frac{k}{m}\) where the fraction is in simplest form, and provide the value of \(k + m\).
Answer: 9
user: Vessel $A$ contains liquids $X$ and $Y$ in the ratio $X:Y = 8:7$. Vessel $B$ holds a mixture of $X$ and $Y$ in the ratio $X:Y = 5:9$. In what ratio should you mix the liquids from both vessels to achieve a mixture with the ratio $X:Y = 1:1$? Express your answer in the form of $a:b$, and provide the value of $a + b$.
Answer: 37
user: Let \( ABC \) be an acute triangle and \( O \) be its circumcenter. Let \( D \) be the midpoint of \( [AB] \). The circumcircle of \( \triangle ADO \) meets \( [AC] \) at \( A \) and \( E \). If \( |AE|=7 \), \( |DE|=8 \), and \( m(\widehat{AOD}) = 45^\circ \), what is the area of \( \triangle ABC \) in the form \( x \sqrt{2} \)? Find the value of \( x \).
Answer: 56
user: Joe is right at the middle of a train tunnel and he realizes that a train is coming. The train travels at a speed of $50$ miles per hour, and Joe can run at a speed of $10$ miles per hour. Joe hears the train whistle when the train is a half mile from the point where it will enter the tunnel. At that point in time, Joe can run toward the train and just exit the tunnel as the train meets him. Instead, Joe runs away from the train when he hears the whistle. If the number of seconds he has to spare when he gets to the tunnel entrance is $x$, find the value of $10x$.
Answer: 144
user: Let $(1+\sqrt{2})^{2012}=a+b\sqrt{2}$, where $a$ and $b$ are integers. Find the greatest common divisor of $b$ and $81$.
Answer: 3
user: Two fair dice, each with at least 6 faces, are rolled. On each face of each die is printed a distinct integer from 1 to the number of faces on that die, inclusive. The probability of rolling a sum of 7 is $\frac{3}{4}$ of the probability of rolling a sum of 10, and the probability of rolling a sum of 12 is $\frac{1}{12}$. What is the least possible number of faces on the two dice combined?
Answer: 17
user: Find the sum of all positive integers $n$ such that \(\frac{n^3+8n^2+8n+80}{n+7}\) is an integer.
Answer: 66
user: The addition below is incorrect. What is the largest digit that can be changed to make the addition correct?

\[
\begin{array}{cccc}
& 6 & 4 & 1 \\
& 8 & 5 & 2 \\
+ & 9 & 7 & 3 \\
\hline
2 & 4 & 5 & 6
\end{array}
\]

Provide the largest digit that can be changed.
Answer: 7
user: Cities $A$, $B$, $C$, $D$, and $E$ are connected by roads $\widetilde{AB}$, $\widetilde{AD}$, $\widetilde{AE}$, $\widetilde{BC}$, $\widetilde{BD}$, $\widetilde{CD}$, $\widetilde{DE}$. How many different routes are there from $A$ to $B$ that use each road exactly once?
Answer: 16
user: What is the minimum number of digits to the right of the decimal point needed to express the fraction $\frac{123,456,789}{2^{26}\cdot 5^4}$ as a decimal?
Answer: 26
user: Let $E$ be a point outside of square $ABCD$. If the distance of $E$ to $AC$ is $6$, to $BD$ is $17$, and to the nearest vertex of the square is $10$, what is the area of the square?
Answer: 162
user: Let $f(x)=x^3+7x^2+9x+10$. Find the value of $p$ such that for every integer $a,b$, the statement
\[
f(a) \equiv f(b) \ (\text{mod } p) \Rightarrow a \equiv b \ (\text{mod } p)
\]
is satisfied.
Answer: 11
user: At summer camp, there are $20$ campers in each of the swimming class, the archery class, and the rock climbing class. Each camper is in at least one of these classes. If $4$ campers are in all three classes, and $24$ campers are in exactly one of the classes, how many campers are in exactly two classes?
Answer: 12
user: The volume of a pyramid whose base is an equilateral triangle with a side length of 6, and whose other edges are each of length $\sqrt{15}$, is _______.
Answer: 9
user: Let $n$ be the number of integer values of $x$ such that $P = x^4 + 6x^3 + 11x^2 + 3x + 31$ is the square of an integer. Find the value of $n$.
Answer: 1
user: If $\frac{m}{n} = \frac{4}{3}$ and $\frac{r}{t} = \frac{9}{14}$, find the value of $\frac{3mr - nt}{4nt - 7mr}$. The original answer is in \frac{a}{b} format, please give the value of a + b.
Answer: 3
user: Let \(M\) be the intersection of the diagonals \(AC\) and \(BD\) of cyclic quadrilateral \(ABCD\). If \(|AB|=5\), \(|CD|=3\), and \(m(\widehat{AMB}) = 60^\circ\), find the circumradius of the quadrilateral. If the circumradius is expressed in the form \(\frac{a\sqrt{b}}{c}\), where \(a\), \(b\), and \(c\) are integers, what is the value of \(a + b + c\)?
Answer: 13
user: If $(x^2+1)(y^2+1)+9=6(x+y)$ where $x,y$ are real numbers, find the value of $x^2+y^2$.
Answer: 7
user: In the adjoining figure, triangle $ABC$ is such that $AB = 4$ and $AC = 8$. If $M$ is the midpoint of $BC$ and $AM = 3$, what is the length of $BC$? Provide your answer in the form $a\sqrt{b}$, where $a$ and $b$ are integers, and find the value of $a + b$.
Answer: 33
user: A polynomial $P$ is called *level* if it has integer coefficients and satisfies the conditions $P(0) = P(2) = P(5) = P(6) = 30$. Find the largest positive integer $d$ such that for any level polynomial $P$, $d$ is a divisor of $P(n)$ for all integers $n$.
Answer: 2
user: Evaluate the following expression:
\[
1+\frac{1+\frac{1+\frac{1+\frac{1+\cdots}{2+\cdots}}{2+\frac{1+\cdots}{2+\cdots}}}{2+\frac{1+\frac{1+\cdots}{2+\cdots}}{2+\frac{1+\cdots}{2+\cdots}}}}{2+\frac{1+\frac{1+\frac{1+\cdots}{2+\cdots}}{2+\frac{1+\cdots}{2+\cdots}}}{2+\frac{1+\frac{1+\cdots}{2+\cdots}}{2+\frac{1+\cdots}{2+\cdots}}}}.
The original answer is in the form \(\frac{k+\sqrt{m}}{n}\). Please find the value of k + m + n.
Answer: 8
user: We have a half-circle with endpoints $A$ and $B$ and center $S$. The points $C$ and $D$ lie on the half-circle such that $\angle BAC = 20^\circ$ and the lines $AC$ and $SD$ are perpendicular to each other. If the angle between the lines $AC$ and $BD$ is $x^\circ$, what is the value of $x$?
Answer: 55
user: When $(a-b)^n$, $n \geq 2$, $ab \neq 0$, is expanded by the binomial theorem, it is found that, when $a=kb$, where $k$ is a positive integer, the sum of the second and third terms is zero. The original answer is in the form of $mk+n$. Please find the value of $m+n$.
Answer: 3
user: A dealer bought $n$ radios for $d$ dollars, where $d$ is a positive integer. He contributed two radios to a community bazaar at half their cost. The rest he sold at a profit of $8$ dollars on each radio sold. If the overall profit was $72$ dollars, find the least possible value of $n$ for the given information.
Answer: 12
user: The diameter \(\overline{AB}\) of a circle with radius \(2\) is extended to a point \(D\) outside the circle such that \(BD=3\). Point \(E\) is chosen so that \(ED=5\) and the line \(ED\) is perpendicular to the line \(AD\). Segment \(\overline{AE}\) intersects the circle at point \(C\) between \(A\) and \(E\). Find the area of \(\triangle ABC\). The original answer is in \(\frac{k}{m}\) format, please give the value of k + m.
Answer: 177
user: A watch loses $2\frac{1}{2}$ minutes per day. It is set right at $1$ P.M. on March 15. Let $n$ be the positive correction, in minutes, to be added to the time shown by the watch at a given time. When the watch shows $9$ A.M. on March 21, what is the value of $n$ in the form of an improper fraction \frac{k}{m}? Please provide the sum of k and m.
Answer: 359
user: If $3a = 1 + \sqrt{2}$, find the largest integer not exceeding $9a^4 - 6a^3 + 8a^2 - 6a + 9$.
Answer: 10
user: Inside square \(ABCD\) with side \(s\), quarter-circle arcs with radii \(s\) and centers at \(A\) and \(B\) are drawn. These arcs intersect at point \(X\) inside the square. The distance from \(X\) to side \(CD\) is in the form \(\frac{k}{m}s(n-\sqrt{p})\). Please calculate the value of \(k + m + n + p\).
Answer: 8
user: Let $E(n)$ denote the sum of the even digits of $n$. For example, $E(5681) = 6 + 8 = 14$. Find the value of $E(1) + E(2) + E(3) + \cdots + E(100)$.
Answer: 400
user: If a planet of radius $R$ spins with an angular velocity $\omega$ about an axis through the North Pole, find the ratio of the normal force experienced by a person at the equator to that experienced by a person at the North Pole. Assume a constant gravitational field $g$ and that both people are stationary relative to the planet and are at sea level. The original answer is in the form $k - \frac{mR\omega^2}{ng}$, please give the value of k + m + n.
Answer: 3
user: 已知函数 $f(x)=a x^{2}-c$ ，满足
$$
-4 \leqslant f(1) \leqslant-1, \quad-1 \leqslant f(2) \leqslant 5.
$$
求 $f(3)$ 的范围。请给出 $f(3)$ 的范围的形式为 $[a, b]$，并计算a和b的和。
Answer: 19
user: 已知 $M=\left\{(x, y) \mid y \geqslant x^{2}\right\}, N=\left\{(x, y) \mid x^{2}+(y-a)^{2} \leqslant 1\right\}$, 求使 $M \bigcap N=N$ 成立的 $a$ 的最小值。答案的形式为\frac{k}{m}，请给出k+m的值。
Answer: 9
user: 在平面直角坐标系中, $O$ 是坐标原点, 两定点 $A, B$ 满足 $|\overrightarrow{O A}|=|\overrightarrow{O B}|=\overrightarrow{O A} \cdot \overrightarrow{O B}=2$, 则点集 $\{P|\overrightarrow{O P}=\lambda \overrightarrow{O A}+\mu \overrightarrow{O B},|\lambda|+|\mu| \leqslant 1, \lambda, \mu \in \mathbf{R}\}$ 所表示的区域的面积是多少？答案的形式为 k\sqrt{m}，请给出 k+m 的值。
Answer: 7
user: 已知 \(y^{2}=4x\)，过 \(A(-2,3)\) 做抛物线两条切线，交 \(y\) 轴于 \(B, C\) 两点，则 \(\triangle ABC\) 外接圆的方程为 \((x+h)^{2}+(y+k)^{2}=r^{2}\)。已知答案的形式为 \(h = -\frac{a}{b}, k = \frac{c}{d}, r^{2} = \frac{e}{f}\)，请计算 \(a + b + c + d + e + f\) 的值。
Answer: 19
user: 已知 $\omega=\cos \frac{\pi}{5}+\mathrm{i} \sin \frac{\pi}{5}$, 写出下列等式成立的完整表达式：  
$x^{4}-x^{3}+x^{2}-x+1=(x-\omega^{a})(x-\omega^{b})(x-\omega^{c})(x-\omega^{d})$  
请计算 a+b+c+d 的值。
Answer: 20
user: 将函数 $y=\sqrt{4+6 x-x^{2}}-2(x \in[0,6])$ 的图象逆时针方向旋转 $\theta(0 \leqslant \theta \leqslant \alpha)$, 得到曲线 $C$. 若对于每一个旋转角 $\theta$ ，曲线 $C$ 都是一个函数的图象，则 $\alpha$ 的最大值为多少？答案的形式为\arctan \frac{k}{m}，请给出k+m的值。
Answer: 5
user: 已知 $m, n$ 的最大公约数为 $10!$，最小公倍数为 $50!$，求数对 $(m, n)$ 的组数。答案的形式为 $x^y$，请给出 $x + y$ 的值。
Answer: 17
user: 已知四面体 \(D-A B C\) 中, \(A C=B C=A D=B D=1\)，求 \(D-A B C\) 体积的最大值。答案的形式为 \(\frac{k \sqrt{n}}{m}\)，请给出k+m+n的值。
Answer: 32
user: 若正整数 $(m, n)$ 的最大公约数、最小公倍数分别是 $10!, 50!$ ，则数对 $(m, n)$ 的对数是多少？
Answer: 32768
user: 将函数 $y=\sqrt{4+6 x-x^{2}}-2(x \in[0, 6])$ 的图象绕坐标原点逆时针方向旋转角 $\theta(0 \leqslant \theta \leqslant \alpha)$，得到曲线 $C$ 。若对于每一个旋转角 $\theta$ ，曲线 $C$ 都是一个函数的图象，则 $\alpha$ 的最大值为多少？答案的形式为$\arctan \frac{a}{b}$，请给出$a+b$的值。
Answer: 5
user: 在平面直角坐标系中，$O$ 是坐标原点，若两定点 $A, B$ 满足 $|\overrightarrow{O A}|=|\overrightarrow{O B}|=\overrightarrow{O A} \cdot \overrightarrow{O B}=2$, 则点集 $\{P|\overrightarrow{O P}=\lambda \overrightarrow{O A}+\mu \overrightarrow{O B},|\lambda|+|\mu| \leqslant 1 \mu \in \mathbf{R}\}$ 所表示的区域的面积是多少？答案的形式为$k \sqrt{m}$，请给出k+m的值。
Answer: 7
user: 在四面体 $A B C D$ 中，若 $A C=B C=A D=$ $B D=1$，求四面体 $A B C D$ 体积的最大值。原始答案的格式为\frac{k\sqrt{n}}{m}，请给出k + n + m的值。
Answer: 32
user: 若恰有一个实数 \(x\) 使得 \(x^{3}-a x-1=0\) 成立，则常数 \(a\) 的取值范围为 \((-\infty, x)\)。求 \(x\) 的值，使得 \(a\) 的取值范围为 \((-\infty, x)\)。答案形式为 \(\frac{k \sqrt[3]{m}}{n}\)，请给出 k + m + n 的值。
Answer: 7
user: $a, b, c$ 是等差数列，点 $P$ 到直线 $l: a x+b y+c=0$ 的垂足为 $M, P(-1,0), N(2,1)$，求 $M N$ 的最大值。答案的形式为 $k \sqrt{2}$，请给出 $k$ 的值。
Answer: 3
user: 正整数 $a, b, c, x, y, z$ 满足: $a x=b+c, b y=c+a, c z=a+b$ ，求 $x y z$ 的可能值的个数。
Answer: 3
user: 已知 2023 可以拆分为几个正整数之和，所有整数中的最大值和最小值相差不超过 1 的情况有多少种可能？
Answer: 2023
user: 圆周上有 \(A_{1}, A_{2}, \ldots, A_{7}\) 七个点两两相连。任选两条线段，则这两条线段无公共点的概率是多少？请以分数形式 \(\frac{k}{m}\) 作答，并给出 \(k + m\) 的值。
Answer: 4
user: 在正四面体 $A B C D$ 中，棱长为 $2 \sqrt{2}$。点 $P$ 满足 $|\overrightarrow{P A}+\overrightarrow{P B}|=2$。求 $\overrightarrow{A P} \cdot \overrightarrow{A D}$ 的最大值。答案的形式为 $k + m\sqrt{n}$，请给出 $k + m + n$ 的值。
Answer: 6
user: 从棱长为 1 个单位长度的正方体的底面一顶点 $A$ 出发，每次均随机沿一条棱行走一个单位长度。进行 2 次这样的操作回到 $A$ 的概率是多少？答案的形式为\(\frac{k}{m}\)，请给出k+m的值。
Answer: 4
user: 在 $\triangle A B C$ 中, 若三边长 $a, b, c$ 满足 $a+c=3 b$, 求 $\tan \frac{A}{2} \tan \frac{C}{2}$ 的值。答案的形式为\frac{k}{m}，请给出k+m的值。
Answer: 3
user: 设 $f(x)=\mathrm{e}^{a x}(a>0)$. 若过点 $P(a, 0)$ 且平行于 $y$ 轴的直线与曲线 $C: y=f(x)$ 的交点为 $Q$, 曲线 $C$ 过点 $Q$ 的切线交 $x$ 轴于点 $R$, 求 $\triangle P Q R$ 的面积的最小值。答案的形式为\frac{\sqrt{k\mathrm{e}}}{m}，请给出k+m的值，其中m不能被2整除。
Answer: 4
user: 设复数 \(w=\left(\frac{a+\mathrm{i}}{1+\mathrm{i}}\right)^{2}\)，其中 \(a\) 为实数，若 \(w\) 的实部为 \(2\)，求 \(w\) 的虚部。答案的形式为\(-\frac{k}{m}\)，请给出\(k+m\)的值。
Answer: 5
user: 若 $F\left(\frac{1-x}{1+x}\right)=x$ ，则满足该条件的等式可以表示为 F(kx+m) = n-F(x)。请计算k+m+n的值。
Answer: -5
user: 对所有满足 $1 \leqslant n \leqslant m \leqslant 5$ 的 $m, n$, 极坐标方程 $\rho=\frac{1}{1-\mathrm{C}_{m}^{n} \cos \theta}$ 表示的不同双曲线条数是多少？
Answer: 6
user: 对所有满足 $1 \leqslant n \leqslant m \leqslant 5$ 的 $m, n$, 极坐标方程 $\rho=\frac{1}{1-C_{m}^{n} \cos \theta}$ 表示的不同双曲线条数是多少？
Answer: 6
user: 若 $F\left(\frac{1-x}{1+x}\right)=x$ ，求出满足该条件的$F(x)$的性质，并填入下列等式中正确的表达式。原始答案的形式为F(-a-x) = -b - F(x)，请给出a + b的值。
Answer: 4