Go: package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	for scanner.Scan() {
		strNums := strings.Fields(scanner.Text())
		nums := []int{}
		for _, strNum := range strNums {
			num, _ := strconv.Atoi(strNum)
			nums = append(nums, num)
		}
		a := nums[0]
		b := nums[1]
		c := nums[2]
		d := nums[3]
		e := nums[4]
		f := nums[5]
		var mulA, mulD int
		if a < 0 {
			mulA = a * -1
		} else {
			mulA = a
		}
		if d < 0 {
			mulD = d * -1
		} else {
			mulD = d
		}
		a *= mulD
		b *= mulD
		c *= mulD
		d *= mulA
		e *= mulA
		f *= mulA

		if d < 0 {
			d *= -1
			e *= -1
			f *= -1
		}

		bE := b - e
		cF := c - f
		if bE == 0 {
			bE = 1
		}
		y := cF / bE
		x := (c - (y * b)) / a

		fmt.Print(x)
		fmt.Print(".000 ")
		fmt.Print(y)
		fmt.Println(".000")
	}
}

Python: from sys import stdin
for l in stdin:
  a,b,c,d,e,f = map(int,l.split())
  x = round((c*e-b*f)/(a*e-b*d),3)
  y = round((c*d-a*f)/(b*d-a*e),3)
  print("%s %s"%("{0:.3f}".format(x),"{0:.3f}".format(y)))

Python: import math
import itertools

while 1:
    try:
        a, b, c, d, e, f = map(int, input().split())
        print('{0:.3f} {1:.3f}'.format((e*c-b*f)/(a*e-b*d)+0, (-d*c+a*f)/(a*e-b*d)+0))
    except:
        break

Python: import sys
from decimal import Decimal

def main():
    for input_line in sys.stdin:
        input_line = raw_input()
        x1 = int(input_line.split(' ')[0])
        y1 = int(input_line.split(' ')[1])
        p = int(input_line.split(' ')[2])
        x2 = int(input_line.split(' ')[3])
        y2 = int(input_line.split(' ')[4])
        q = int(input_line.split(' ')[5])
        multiplicand1, multiplicand2 = calculate1(x1, x2)
        after_y1, after_y2, after_p, after_q = calculate2(y1, y2, p, q, multiplicand1, multiplicand2)
        calculate3(after_y1, after_y2, after_p, after_q, x1, y1, p)
    
def calculate1(x1, x2):
    if (x1 >= 0 and x2 >= 0) or (x1 < 0 and x2 < 0):
        multiplicand1 = -x2
        multiplicand2 = x1
        return multiplicand1, multiplicand2
    else:
        multiplicand1 = abs(x2)
        multiplicand2 = abs(x1)
        return multiplicand1, multiplicand2
    
def calculate2(y1, y2, p, q, multiplicand1, multiplicand2):
    after_y1 = y1 * multiplicand1
    after_y2 = y2 * multiplicand2
    after_p = p * multiplicand1
    after_q = q * multiplicand2
    return after_y1, after_y2, after_p, after_q

def calculate3(after_y1, after_y2, after_p, after_q, x1, y1, p):
    y = Decimal(after_p + after_q) / Decimal(after_y1 + after_y2)
    x = Decimal(p - y1 * y) / Decimal(x1)
    print('%.4f %.4f' % (x, y))
    
if __name__ == '__main__':
    main()

Python: import numpy as np

while 1:
    try:
        a = list(map(float, input().split()))
        A = np.array([[a[0],a[1]],
                      [a[3],a[4]]])
        b = np.array([a[2],a[5]])
        x = np.linalg.solve(A, b)
        print(x)
    except EOFError:
        break

Python: x,y = [0]*2,[0]*2
for i in range(2):
    k = list(map(float,input().split()))
    n = k[0]*k[4] -k[1]*k[3]

    x[i],y[i] = (k[4]*k[2]-k[1]*k[5])/n,(-k[3]*k[2]+k[0]*k[5])/n    
    if x == 0:
        x = 0
    if y == 0:
        y = 0
for i in range(2):
    print("{0:0.3f} {1:0.3f}".format(x[i],y[i]))

Python: import sys
from math import fabs


if __name__ == '__main__':
    epsilon = 1e-8
    # ??????????????\?????¨???????????????
    for line in sys.stdin:
        a, b, e, c, d, f = [int(x) for x in line.strip().split(' ')]
        x = 1/(a*d-b*c) * (d*e - b*f)
        y = 1/(a*d-b*c) * (-c*e + a*f)
        # ?¨????????????¨?????? -0.0 ???????????´???????????¶?????? 0.0 ?????????
        #if fabs(x) < epsilon:
        #    x = 0.0
        #if fabs(y) < epsilon:
        #    y = 0.0
        print('{0:.3f}, {1:.3f}'.format(x+0.0, y+0.0))

Python: while 1:
        try:
                a, b, c, d, e, f = map(float,raw_input().split())
                x = (c/b-f/e) / (a/b-d/e)
                x = x if x else 0
                y = (c/a-f/d) / (b/a-e/d)
                y = y if y else 0
                print("{:.3f} {:.3f}".format(x,y))
        except:
                break

Python: import sys

lines = []
for line in sys.stdin:
    num = line.split(" ")
    a, b, e, c, d, f = int(num[0]), int(num[1]), int(num[2]), int(num[3]), int(num[4]), int(num[5])
    x = (e*d-b*f)/(a*d-b*c)
    y = (a*f-e*c)/(a*d-b*c)
    if x == -0.0:
        x = 0.0
    if y == -0.0:
        y = 0.0
    print("{0:.3f} {1:.3f}".format(x,y))

Python: import numpy as np
while True:
    a,b,c,d,e,f = map(int, input().split())
    ls1 = [[a,b],[d,e]]
    ls2 = [c,f]
    x,y = np.linalg.solve(ls1,ls2)
    print("{0:.4f} {1:.4f}".format(x,y))

Python: import sys
for line in sys.stdin:
    a, b, c, d, e, f = map(float, line.split())
    print('{0:.3f} {1:.3f}'.format(
        (e * c - f * b) / (e * a - d * b), (d * c - f * a) / (d * b - e * a)))

Python: while 1:
    try:
        a,b,c,d,e,f=[int(i) for i in input().split()]

        y=float((c*d-f*a)/(b*d-e*a))
        x=float((c-b*y)/a)
        print("{0:.4f}".format(x)," ","{0:.4f}".format(y))
    except EOFError:
        break

Python: import sys
from decimal import Decimal
from fractions import Fraction

def main():

    #input_strings = sys.stdin.readlines()
    for matrix_string in input_strings:
        matrix = list(map(Fraction, list(matrix_string.split())))
        if matrix[0] == 0:
            matrix = matrix[3:] + matrix[:3]
        matrix = list(map(lambda x: x / matrix[0], matrix[:3])) + matrix[3:]
        matrix = matrix[:3] + list(map(lambda x: x[1] - matrix[3] * x[0], zip(matrix[:3], matrix[3:])))
        matrix = matrix[:3] + list(map(lambda x: x / matrix[4], matrix[3:]))
        matrix = list(map(lambda x: x[0] - matrix[1] * x[1], zip(matrix[:3], matrix[3:]))) + matrix[3:]
        matrix = list(map(float, matrix))
        matrix = list(map(Decimal, matrix))
        matrix = list(map(lambda x: x.quantize(Decimal('.001'), rounding='ROUND_HALF_UP'), matrix))

        print('%.3f %.3f' % (matrix[2], matrix[5]))
main()

Python: import sys
for line in sys.stdin:
    a, b, c, d, e, f = [float(x) for x in line.split()]
    x = (f * b - e * c) / (d * b - a * e)
    y = (c - a * x) / b
    if abs(x) < 0.00001:
        x = 0.000
    if abs(y) < 0.00001:
        y = 0.000
    print("%.3f %.3f" % (x, y) )

Python: while True:
	try:
		a,b,c,d,e,f=map(int,raw_input().split())
		y=float((c*d-f*a)/(b*d-a*e))
		x=(c-b*y)/a
		print("{:.3f}".format(x)),("{:.3f}".format(y))
	except EOFError:
		break

Python: from sys import stdin

def deal(x):
    if abs(x) < 1e-6: return 0
    else: return x

def solve(a, b, c, d, e, f):
    x = 0
    y = 0
    if b == 0:
        x = c / a
        y = (f - d * x) / e
    else:
        x = (b * f - e * c) / (b * d - e * a)
        y = (c - a * x) / b
    
    p = [deal(x), deal(y)]
    return p

for s in stdin:
    s = s[:-1]
    s = map(float, s.split())
    p = solve(s[0], s[1], s[2], s[3], s[4], s[5])
    print ("%.3f "%p[0] + "%.3f"%p[1])

Python: while True:
    try:
        a, b, c, d, e, f = map(int, raw_input().split()) 
        x = float(c*e - b*f)/(a*e - b*d)
        y = float(c*d - a*f)/(b*d - a*e)
        print ("%f %f" % (round(x,-3), round(y),-3))
    except:
        break

Python: import sys
line = input()
for _ in range(1):
    a, b, c, d, e, f = map(float, line.split())
    x = round((c * e - b * f) / (a * e - b * d), 3)
    y = round((a * f - c * d) / (a * e - b * d), 3)
    print('{0:.3f} {1:.3f}'.format(x, y))

Python: while True:
    try:
        L=list(map(int,input().split()))
        x=L[0]*L[4]-L[3]*L[1]
        y=L[2]*L[4]-L[5]*L[1]
        z=y/x+0
        w=(L[2]-L[0]*z)/L[1]+0
        print(f"{z:.3f} {w:.3f}")
    except EOFError:
        break