#include<stdio.h>
#include<stdlib.h>
int main(){
int a, b, c;
int n = 9;
for (a = 1; a <= n; a++){
for (b = 1; b <= a; b++){
c = a*b;
//輸出a,b,c三個數 因此格式爲"%d*%d=%d" %-2d 使之左對齊
printf("%d*%d=%-2d ", a, b, c);
}
//換行
printf("\n");
}
system("pause");
return 0;
}blog