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<cstdio>
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 < 10; i++){
		for(int j=1; j < 10; 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 QQ(int a,int b){
	if( a >= 10 ){
		return ;
	}else if( b < 10 ){
		printf("%dx%d=%d\n",a,b,a*b);
		QQ(a,b+1);
	}else{
		QQ(a+1,1);
	}
}

int main(){
	QQ(1,1);
}

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>
    
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 <iostream>
using namespace std;

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

}

C++: #include <iostream>

using namespace std;
int main(int argc, char const* argv[])
{
    int i;
    for (i = 1; i < 10; i++) {
        int j;
        for (j = 1; j < 10; j++) {
            cout << i <<"x" << j<<"="<<i*j<<endl;
        }
    }
    return 0;
}

C++: main(i,j){for(i=j=1;(i<=9||i=j++>0)&&j<=9;i++)printf("%dx%d=%d\n",j,i,i*j);exit(0);}

C++: for i in 1..9for j in 1..9 print i,"x",j,"=",i*j,"\n"end end

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

int main(){
int a = 1,b = 1,c;
while(a != 9 and b != 9){
c=a*b;
cout<<a<<"x"<<b<<"="c<<endl;
b++;
if(b == 10){
a++;
b = 1;
}

}
    return 0;
}

C++: #include<iostream>

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

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



    
}

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

	}
}
}

C++: #include <bits/stdc++.h>
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 x,y;
	for(x=1;x<10;x++)
	{
		for(y=1;y<10;y++)
		{
			printf("%dx%d=%d\n",x,y,x*y);
		}
	}
	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 <bits/stdc++.h>
using namespace std;

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

C++: #include <iostream>


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

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

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

C++: #include<ostream>
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(){
for(int ???=1;???<=9;???++)
for(int ???=1;???<=9;???++)printf("%dx%d=%d\n",???,???,???*???);
}

C++: #include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <iomanip>
#include <cassert>
using namespace std;

#define GET_ARG(a,b,c,F,...) F
#define REP3(i,s,e) for (i = s; i <= e; i++)
#define REP2(i,n) REP3 (i,0,(int)(n)-1)
#define REP(...) GET_ARG (__VA_ARGS__,REP3,REP2) (__VA_ARGS__)
#define RREP3(i,s,e) for (i = s; i >= e; i--)
#define RREP2(i,n) RREP3 (i,(int)(n)-1,0)
#define RREP(...) GET_ARG (__VA_ARGS__,RREP3,RREP2) (__VA_ARGS__)
#define DEBUG(x) cerr << #x ": " << x << endl

typedef long long ll;

constexpr int INF = 1e8;
constexpr int MOD = 1e9+7;

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

C++: #include <iostream>

#define loop(i,n) for ( int i = 0; i < n; i++ )

using namespace std;

int main()
{
  loop ( i, 10 )
    loop ( j, 10 )
    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 (size_t j = 1; j <= 9; j++)
		{
			int ans = i * j;
			cout << i << "x" << j << "=" << ans << endl;
		}
	}
    return 0;
}

C++: 
#include<stdio.h>

int  main()
{
  int a,b,i,n;

  for(i=1;i<=9;i++)
  {

    for(n=1;n<=9;n++)
    {

      printf("%dx%d=%d\n",i,n,
i*n);
    }

  }

  return 0;
}

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, j, i * j );
		}
	}
	return 0;
}