Go: package main

import (
	"fmt"
	"strconv"
)

func main() {
	for _, leftValue := range MultiplicationTableNum(9) {
		for _, rightValue := range MultiplicationTableNum(9) {
			strLeftVal, strRightVal, strMulti := strconv.Itoa(leftValue), strconv.Itoa(rightValue), strconv.Itoa(Multiplication(leftValue, rightValue))
			fmt.Println(strLeftVal + "x" + strRightVal + "=" + strMulti)
		}
	}
}

func MultiplicationTableNum(num int) []int {
	multiNum := []int{}
	for i := 1; i <= num; i++ {
		multiNum = append(multiNum, i)
	}
	return multiNum
}

func Multiplication(x, y int) int {
	return x * y
}

C++: #include <iostream>

int main(){
	
	//???????????????
	for(int i = 1; i <= 9; ++i){
		for(int j = 1; j <= 9; ++j){
			std::cout << i << "x" << j << "=" << i*j << std::endl;
		}
	}
	return 0;
}

C++: #include<iostream>
using namespace std;

int main(){
	
	int a,b,c;
	
	for (a=1; a<10; a++){
		
		for (b=1; b<10; b++){
			
			c=a*b;
			cout << a <<"x"<< b <<"="<< c <<"\n";
			
		}
	
	}
	
	return 0;
	
}

C++: #include<iostream>
using namespace std;

int main(){
    int sum;
    
    for(int i=1; i<10; i++){
        for(int j=1; j<10; j++){
            sum = i * j;
            cout << i << "x" << j << "=" << sum << endl;
        }
    }

    return 0;
}

C++: #include<cstdio>
int main(){
    for(int i=0;i<9;i++)
        for(int j=0;j<9;j++)
            printf("%dx%d=%d\n",i+1,j+1,(i+1)*(j+1));
}

C++: #include <iostream>
using namespace std;

int main() {
	for (int i = 0; i < 9; ++i) {
		for (int j = 0; j < 9; ++j) {
			cout << i + 1 << 'x' << j + 1 << '=' << (i + 1)*(j + 1) << endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>
int main(){
	int x=0,y=0,i,j;
	for(i=0; i<9; i++){
	y=0;
	++x;
	for(j=0; j<9; j++){
	++y;
	printf("%dx%d=%d\n",x,y,x*y);
	};
	};
}

C++: #include <iostream>
#include <queue>
#include <vector>
#include <set>
#include <algorithm>
#include <stdio.h>
//#define int long long
inline int in() { int32_t x; scanf("%d", &x); return x ;}
using namespace std;
const int INF = 1e18;
const int MAX_N = 1e5 + 5;
int32_t main()
{
    for (int i = 1 ; i <= 9 ; i ++)
    {
        for (int x = 1 ; x <= 9 ; x ++)
        {
            printf("%d*%d=%d\n",i,x,i*x);
        }
    }
}

C++: #include<cstdio>
using namespace std;

int main()
{
  for(int i=1;i<=9;i++)for(int j=1;j<=9;j++)printf("%dx%d=%d\n",i,j,i*j);
  return 0;
}

C++: #include<iostream>
using namespace std;

int main()
{
	for (int i = 1; i <= 9; i++){
		for (int j = 1; j <=  9; j++){
			cout << i << "*" << j << "=" << i * j << endl;
		}
	}
	return 0;
}

C++: #include<stdio.h>
main(i){}

C++: #include<iostream>
using namespace std;
int main(){
int i,j;
for(i=1;i<=9;i++){
for(j=1;j<=9;j++){
cout<<i<<"x"<<j<<"="<<i*j<<endl;
}
}
return 0;
}

C++: ????????????????????????????????????????????????

C++: #include <stdio.h>
  
int main(void)
{
 
  float x, y;
 
  /* a,b */
  printf("a: x = ");
  scanf("%f", &x);
  printf("b: y = ");
  scanf("%f", &y);
 
  /* 掛け算の計算・出力 */
  printf("x * y = %.3f\n", x*y);
 
  /* 割り算の計算・出力 */
  printf("x / y = %.3f\n", x/y);
 
  return 0;
}

C++: #include<iostream>

using namespace std;

int main() {
	for (int i = 1; i <= 9; i++) {
		for (int k = 1; k <= 9; k++) {
			cout << i << "x" << k << "=" << i*k << endl;
		}
	}
	return 0;
}

C++: #include <iostream>

int main() {
    for( int i = 1 ; i <= 9 ; i++ ) {
        for( int ii = 1 : ii <= 9 ; ii++ ) {
            std::cout << i << "x" << ii << "=" << i * ii << std::endl ;
        }
    }
}

C++: #include <iostream>
using namespace std;
int main(){
  for(int i=1;i<10;i++)for(int j=1;j<10;j++)cout<<i<<'x'<<j<<'='<<i*j<<endl;
  return 0;
}

C++: #include<stdio.h>

int main(){
int i;
int j;
for(i=1;i<=9;i++){

for(j=1;j<=9;j++){
printf("%dx%d=%d?\n",i,j, i*j);
}

}

    return 0;
}

C++: #include <cstdio>
#include <iostream>
#include <algorithm>

using namespace std;

int main(){
	for (int i = 1; i <= 9; i++)
	{
		for (int j = 1; j <= 9; j++)
		{
			printf("%dx%d=%d\n",i,j,i*j);
		}
	}
	return 0;
}

C++: #include <iostream>

using namespace std;

int main()
{
    for (int i = 1; i < 10; ++i) {
        for (int j = 1; j < 10; ++j) {
            cout << i << 'x' << j << '=' << i * j << endl;
        }
    }
    return 0;
}

C++: #include <iostream>

using namespace std;

int main(int argc, char const *argv[]) {
	for (int i = 1; i <= 9; i++) {
		for (int j = 1; j <= 9; j++)
			cout << i << "x" << j << "=" << i * j << endl;

	}
	return 0;
}

C++: #include<iostream>
using namespace std;
 
int main(){
	for(int i=1; i<=9; ++i) {
		for(int j=1; j<=9; ++j){
			cout << i << "x" << j << "=" << i*j << endl;
		}
	}
    return 0;
}

C++: #include <stdio.h>

int main(int argc, char const *argv[])
{
	int i, j;
	for(i=1;i<10;i++) {
		for(j=1;j<10;j++) {
			printf("%dx%d=%d\n", i, j, i*j);
		}
	}
	return 0;
}

C++: #include <iostream>

int main() {
  for (int i = 1; i < 10; i++) {
    for (int j = 1; j < 10; j++) {
      std::cout << i << 'x' << j << '=' << (i * j) << std::endl;
    }
  }
  return 0;
}

C++: #include<stdio.h>
int a, b;int main(){for(a=1;a<=9;a++)for(b=1;b<=9;b++)printf("%dx%d=%d\n",a,b,a*b);return 0;}

C++: #include<iostream>
using namespace std;
int main(){
	for(int i=1; i<10; i++){
		for(int j=1; j<10; j++){
			cout <<i<<"x"<<j<<"="<<i*j<<endl;
		}
	}
	return 0;
}

C++: #include<iostream>
using namespace std;

int main() {
	int i, j;

	for (i = 1; i < 10; i++) {
		for (j = 1; j < 10; j++) {
			cout << i << "x" << j << "=" << i*j << endl;
		}
	}

	return 0;
}

C++: #include <iostream>
using namespace std;

int main(){
  for(int i = 1; i <= 9; i++){
    for(int j = 1; j <= 9; j++){
      printf("%dx%d=%d\n", i, j, i * j);
    }
  }
}

C++: #include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define vec_input(v) for(auto it=v.begin();it!=v.end();it++){cin>>*it;}
#define vec_output(v) for(auto it=v.begin();it!=v.end();it++){if(it!=v.begin())cout<<" ";cout<<*it;}cout<<endl;
#define vec_debug(v) for(auto it=v.begin();it!=v.end();it++){cerr<<*it<<" ";}cerr<<endl;
#define yn(ans) cout<<(ans?"Yes":"No")<<endl
#define YN(ans) cout<<(ans?"YES":"NO")<<endl
using namespace std;
using ll = long long;
template <typename T>T digitsum(T n);
template <typename T>bool isPrime(T n);
template <typename T>vector<pair<T, T>> prime_factor(T n);
long long int intpow(long long int,long long int);
template <typename T>T intlog(T);
long long int combination(long long int,long long int);
long long int series_sum(long long int);

int main(){
    for(int i=1;i<=9;i++){
        for(int j=1;j<=9;j++){
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
        }
    }
}

C++: #include<iostream>
using namespace std;

int main()
{
for(int i = 1; i <= 9; i++) for(int j = 1; j <= 9; j++) cout << i << "x" << j << "=" << i * j << endl;
}

C++: #include <stdio.h>
void main()
{
    int i, j;
    return;
}

C++: #include <iostream>
using namespace std;

int main() {
  for(int i = 1; i <= 9; ++i) {
    for(int j = 1; j <= 9; ++j) {
      cout << i << "x" << j << "=" << i*j << endl;
    }
  }
  return 0;
}