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 y=1;y<=9;y++){
    for(int x=1;x<=9;x++){
      using std::cout;
      using std::endl;
      cout<<y<<'x'<<x<<'='<<y*x<<endl;
    }
  }
  return 0;
}

C++: #include <iostream>

int main(){

    for(std::size_t i=0;i<9;i++){
        for(std::size_t j=0;j<9;j++){
            std::cout<<i+1<<'x'<<j+1<<'='<<(i+1)*(j+1)<<std::endl;
        }
    }

    return 0;

}

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

int main(void){
    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 left = 1; left <= 9; left++) {
		for (int right = 1; right <= 9; right++) {
			cout << left << "x" << right << "=" << left * right << endl;
		}
	}

	return 0;
}

//*/

C++: using System;
namespace multiApplication{
    class Program{
        static void Main(){
            int i, j;
            for(i=1;i<10;i++){
                for(j=1;j<10;j++){
                Console.WriteLine("{0}*{1}={2}",i, j, i*j);
                }
            }
        }
    }
}

C++: #include<bits/stdc++.h>

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 << "x" << j << "=" << i * j << endl;
        }
    }
    return 0;
}

C++: #include<stdio.h>
int i=1,j;int main(){for(;i<10;i++)for(j=1;j<10;j++)printf("%dx%d=%d\n",i,j,i*j);}

C++: #include<iostream>
int main(){
  int i,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<iostream>
using namespace std;

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

C++: #include <iostream>
#include <cstdio>
#include <iomanip>
#include <algorithm>
#include <cmath>
using namespace std;
const int M = 100000;
const double pi = 3.141592653589;

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

C++: #include<iostream>

int main(){
	int i,j;
		
	for(i=1;i<=9;i++)
	for(j=1;j<=9;j++)
	std::cout << i << "*" << j 
			  << "=" << i*j << "\n" ;
	
	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>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#include <algorithm>
#include <map>

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

C++: class Main{
    public static void main(String[] a){
     for(int i=1;i<=9;i++){
         for(int j=1;j<=9;j++)System.out.println(i + "x" + j + "=" + i*j);
    }
}

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 <bits/stdc++.h>
using namespace std;
#define FOR(i, s, n) for(int i = s; i < (int)n; i++)
#define per(i, n) for(int i = n; i >= 0; i--)
#define ROF(i, s, n) for(int i = s; i >= (int)n; i--)
#define FORIT(i, A) for (auto i : A)
#define PRINT(x) cout << (x) << "\n"
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define MP make_pair
#define EACH(i, n) for (__typeof((n).begin()) i = (n).begin(); i != (n).end(); ++i)
#define SZ(a) int((a).size())
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
#define CLR(a) memset((a), 0 ,sizeof(a))
#define NCLR(a) memset((a), -1 ,sizeof(a))
#define dump(x) cout << #x << " = " << (x) << "\n";
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << "\n";
#define sq(n) (n) * (n)
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef priority_queue<int> maxpq;
typedef priority_queue< int, vector<int>, greater<int> > minpq;
typedef complex<double> P;
static const double EPS = 1e-10;
static const double PI = acos( -1.0 );
static const int mod = 1000000007;
static const int INF = 1 << 29;
static const LL LL_INF = 1152921504606846976;
static const int dx[] = { -1, 0, 1, 0, 1, -1, 1, -1 };
static const int dy[] = { 0, -1, 0, 1, 1, 1, -1, -1 };


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

C++: class Main{
    public static void main(String[] a){

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

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;
          }
      }  
}