#include <iostream> #include <cstdio> using namespace std; int main() { for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { int s = i*j; cout << j << "*" << i << "=" << s; if (s < 10) { cout << " "; } else { cout << " "; } } cout << endl; } return 0; }