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

C++: #include<stdio.h>
char 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<stdio.h>
int main(void){
	int a, b, c;
	for(a=1;a<10;a++){
		for(b=1;b<10;b++){
		c = a * b;
		printf("%dx%d=%d\n", a, b, c);
		}
	}
	return 0;
}

C++: #include<iostream>

static void printQq( void )
{
	int i, j;

	for ( i = 1; i <= 9; i++ ) {
		for ( j = 1; j <= 9; j++ ) {
			std::cout << i << "x" << j << "=" << (i * j) << '\n';
		}
	}
}

int main()
{
	printQq();

	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<<"\n";
		}
	}
    return 0;
}

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

int main(){

    int result=0;
    for(int i=1; i<10; i++)
    {
        for(int j=1; j<10; j++)
        {
            result+=i;
            cout<<i<<"x"<<j<<"="<<result<<endl;
        }
        result=0;
    }

    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<stdio.h>

int main(){
    int i,j;
    for(i=1;i<10;i++)
        for(j=1;j<10;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 <cstdlib>
using namespace std;

int main(){
	int k = strtol("1000000000000", 0, 10);
	return k < 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>
using namespace std;

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

C++: #include<stdio.h>
#include<iostream>
using namespace std;
int main(){
	for (int i = 0; i < 9;i++){
		for (int j = 0; 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 << "\n";
        }
    }

    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=1; i<=n; i++)
int main(){
    rep(i,9){
        rep(j,9){
            cout << i << 'x' << j << '=' << i*j << endl;
        }
    }
    return 0;
}

C++: #include <iostream>
using namespace std;
int main(void){
    // Here your code !
    for (int i = 0;i<10;i++){
        for (int j = 0;j<10;j++){
            cout<<i<<"x"<<j<<"="<<i*j<<endl;
        }
    }
}

C++: #include <vector>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <algorithm>
#include <utility>
#include <functional>
#include <sstream>
#include <iostream>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <climits>
using namespace std;
inline int toInt(string s) { int v; istringstream sin(s); sin >> v; return v;}
template<class T> inline string toString(T x) { ostringstream sout; sout << x; return sout.str();}
typedef vector<int> vi;
typedef vector<vi>  vvi;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef long long ll;
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(),(a).rend()
#define EACH(t,i,c) for(t::iretator i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define REP(i,n) FOR(i,0,(n)-1)
const double EPS = 1e-12;
const double PI = acos(-1.0);

int main() {
	FOR(i, 1, 9) {
		FOR(j, 1, 9) {
			cout << i << 'x' << j << '=' << i*j << endl; 
		}
	}

	return 0;
}

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

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

C++: #include <stdio.h>
#include <math.h>
#include <iostream>

int main(void){
	int i,j;

	for(i=1;i<10;i++){
		for(j=1;j<10;j++){
			std::cout << i << "*" << j << "=" << i*j << "\n";
		}
	}
	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++){
			printf("%dx%d=%d\n", i, j, i*j);
		}
	}

    return 0;
}

C++: #include<bits/stdc++.h>
using namespace std;
signed 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 <algorithm>
#include <climits>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <map> //pair is also included in this library
#include <queue>
#include <stack>
#include <string>
#include <vector>

#define REP(i, s, n) for(int i = (int)(s); i < (int)(n); i++)

using namespace std;

typedef long long int ll;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef pair<int, int> PII;

//prefer define statement
//for reason that const int ver. of INF will raise a silly warning (unused variable)
#define INF (INT_MAX/3)
#define LIM_INF (INT_MAX)
//const int INF = INT_MAX/3;

/*------------------------------------------------------------------------------*/

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

  return 0;
}

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

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

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

C++: # include <iostream>

using namespace std;

int main() {

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

  return 0;
}

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

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

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

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