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 <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++: #include <bits/stdc++.h>
//繝?せ繝?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<iostream>
#include<algorithm>
using namespace std;
int main(){
	int t=80000;
	for(int i=t;i;i--){
		for(int j=max(i,9);j;j--){
			if(i<10&&j<10)cout<<10-i<<"x"<<10-j<<"="<<(10-i)*(10-j)<<endl;
		}
	}
	return 0;
}

C++: #include <stdio.h>

int main(void){
  int i;
  for (i=1; i<10; i++){
    printf("%d×%d=%d", i, i, i*i);
  }}

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 << '\n';
        }
    }

    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;
}

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;
    }
  }
}

C++: #include <iostream>
//#include <fstream.h>
//#include <cstring>
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 << "\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>

int main() {
  for (auto i = 1; i <= 9; i++) {
    for (auto j = 1; j <= 9; j++) {
      std::cout << i << 'x' << j << '=' << i * j << '\n';
    }
  }
  return 0;
}

C++: #include<stdio.h>

int main(){
	int i,l;
	
	for(i=1;i<10;i++){
		for(l=1;l<10;l++){
			printf("%dx%d=%d\n",i,l,i*l);
		}
	}
	
    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()
{
    int a = 1, b = 1;
    for(int a = 1; a <= 9; a++){
        for(int b = 1; b <= 9; b++){
            cout << a << "x" << b << "=" << a*b << endl;
        }
        b = 1;
    }
    return 0;
}

C++: #include<stdio.h>

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);
		}
	}
	getchar();
    return 0;
}

C++: #include <iostream>
using namespace std;
int main(void){
    int x,y,z;
    z=0;
    x=0;
    while(1){
        x=x+1;
        while(1){
            z=z+1;
            y=x*z;
            cout<<x<<"*"<<z<<"="<<y<<endl;
            if(z>=9){
                break;
            }
        }
        z=0;
        if(x>=9){
            break;
        }
    }
    
}

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<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++: #inclde<iostream>
using namespace std;
int main()
{
int a,b
for(a=1;a<9;a++)
   {for(b=1;b<9;b++)
        {cout<<a<<"x"<<b<<a*b<<endl;
}
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++)
      printf("%dx%d=%d\n",i,j,i*j);
}

C++: #include <stdio.h>

int main(void)
{
    int i, j;
    for (i = 1; i <= 9; ++i) {
        for (j = 1; j <= 9; ++j) {
            printf("%dx%d=%d", i, j, i * j);
        }
    }
    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<cstdio>
#include<algorithm>

using namespace std;

char str[111111];

int num[101111],nx[101111][62];  // Trie tree

int cnt;

void Insert()
{

}

int main()
{
    int i,j;
    for(i=1;i<=9;i++)
    {
        for(j=i;j<=9;j++)
        {
            printf("%d*%d=%d\n",i,j,i*j);
        }
    }
    return 0;
    int _,__;
    int n,m;
    scanf("%d",&__);
    for(_=1;_<=__;_++)
    {
        scanf("%d",&n);
        cnt=0;
        while(n--)
        {

        }
        scanf("%d",&m);
        printf("Case %d:\n",_);
        while(m--)
        {

        }
    }
    return 0;
}

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

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

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(){
int a=1,b=1;
int c;
for(int i=0;i<9;i++){
for(int j=0;j<9;j++){
c=a*b;
cout<<a<<"x"<<b<<"="<<c<<endl;
b++;
}
a++;
}
}

C++: #include <stdio.h>

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

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\n",i,j,i*j);
		}
	}
	return 0;
}