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>
using namespace std;

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

	}
	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;

#define REP(i,n,m) for(int i=n;i<m;i++)
#define rep(i,n) REP(i,0,n)

int main(void){
	REP(i,1,10)REP(j,1,10){
		cout<<i<<"x"<<j<<"="<<i*j<<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>

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

    return 0;
}

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

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

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

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

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(){
	int i,j;
	for (i = 1; i <=9; i++) {
		for (j = 1; j <= 9; j++) {
			cout << i << "ツ×" << 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 <cstdio>

using namespace std;

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

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

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

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

int main(){
	int a,b;
	for(a=1;a<10;a++){
	for(b=1;b<10;b++){
	cout<<a<<"x"<<b<<"="<<a*b<<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<iostream>
int main(){
	for(int i=1; i<=9; i++)
		for(int k=1; k<=9; k++)
			std::cout << i << 'x' << k <<'=' << i*k << std::endl;
	return 0;
}

C++: #include<stdio.h>

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

C++: #include<stdio.h>

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

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

using namespace std;;

int main(void){
	for(int i = 1; i < 10; i++){
		for(int j = 1; j < 10; j++){
				printf("%dx%d=%d\n",i,j,i*j);
		}
	}
	return 0;
}

C++: #include <bits/stdc++.h>
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++: p;main(i){for(i=0;i<81;)p=!printf("%dx%d=%d\n",i/9+1,i%9+1,(i/9+1)*(i++%9+1));}