利用for循环打出乘法口诀表

#include<stdio.h>main(){int i,j,k;for(i=1;i<10;i++){for(j=1;j<i+1;j++){printf("%d*%d=%d\t",i,j,k=i*j); }printf("\n");} 	}
```![在这里插入图片描述](https://img-blog.csdnimg.cn/20190324224732816.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzU2MDI3Mg==,size_16,color_FFFFFF,t_70)