99乘法表--c语言

/* Note:Your choice is C IDE */
#include "stdio.h"
void main()
{
  int i,j,k;
  for(i=1;i<=9;i++){
  for(j=1;j<=i;j++){
  /*k=j*i;*/
  printf("%dx%d=%d\t",j,i,j*i);
  
  }	
  printf("\n");
  }  
}

1x1=1
1x2=2 2x2=4
1x3=3 2x3=6 3x3=9
1x4=4 2x4=8 3x4=12 4x4=16
1x5=5 2x5=10 3x5=15 4x5=20 5x5=25
1x6=6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36
1x7=7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49
1x8=8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64
1x9=9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81