#include <stdio.h>
int main()
{
??? // 定義相乘數(shù)字i,j以及結(jié)果result
??? int i, j, result;
??? /*
???? * 使用for循環(huán)解決本題相對(duì)簡(jiǎn)單哦~
???? * 小編偷偷的將源碼放在任務(wù)“不會(huì)了怎么辦”中了哦~
???? * 小編希望童鞋們獨(dú)立完成哦~
???? */
??? for(i=9;i>=1;i--)
??? {?? for(j=1;j<=9;j++)
??????? {??
??????????? if(i>=j)
??????????? {
??????????????? result=i*j;
??????????????? printf("%d*%d=%d? ",i,j,result);
??????????? }
??????????? else
??????????? {
??????????????? printf("1");
??????????? }
??????? }
??????? printf("\n");
??? }
??? return 0;
}

9*1=9? 9*2=18? 9*3=27? 9*4=36? 9*5=45? 9*6=54? 9*7=63? 9*8=72? 9*9=81?
8*1=8? 8*2=16? 8*3=24? 8*4=32? 8*5=40? 8*6=48? 8*7=56? 8*8=64? 1
7*1=7? 7*2=14? 7*3=21? 7*4=28? 7*5=35? 7*6=42? 7*7=49? 11
6*1=6? 6*2=12? 6*3=18? 6*4=24? 6*5=30? 6*6=36? 111
5*1=5? 5*2=10? 5*3=15? 5*4=20? 5*5=25? 1111
4*1=4? 4*2=8? 4*3=12? 4*4=16? 11111
3*1=3? 3*2=6? 3*3=9? 111111
2*1=2? 2*2=4? 1111111
1*1=1? 11111111

#include <stdio.h>
int main()
{
??? // 定義相乘數(shù)字i,j以及結(jié)果result
??? int i, j, result;
??? /*
???? * 使用for循環(huán)解決本題相對(duì)簡(jiǎn)單哦~
???? * 小編偷偷的將源碼放在任務(wù)“不會(huì)了怎么辦”中了哦~
???? * 小編希望童鞋們獨(dú)立完成哦~
???? */
??? for(i=9;i>=1;i--)
??? {?? for(j=1;j<=9;j++)
??????? {??
??????????? {
??????????????? result=i*j;
??????????????? printf("%d*%d=%d? ",i,j,result);
??????????? }
??????? }
??????? printf("\n");
??? }
??? return 0;
}

9*1=9? 9*2=18? 9*3=27? 9*4=36? 9*5=45? 9*6=54? 9*7=63? 9*8=72? 9*9=81?
8*1=8? 8*2=16? 8*3=24? 8*4=32? 8*5=40? 8*6=48? 8*7=56? 8*8=64? 8*9=72?
7*1=7? 7*2=14? 7*3=21? 7*4=28? 7*5=35? 7*6=42? 7*7=49? 7*8=56? 7*9=63?
6*1=6? 6*2=12? 6*3=18? 6*4=24? 6*5=30? 6*6=36? 6*7=42? 6*8=48? 6*9=54?
5*1=5? 5*2=10? 5*3=15? 5*4=20? 5*5=25? 5*6=30? 5*7=35? 5*8=40? 5*9=45?
4*1=4? 4*2=8? 4*3=12? 4*4=16? 4*5=20? 4*6=24? 4*7=28? 4*8=32? 4*9=36?
3*1=3? 3*2=6? 3*3=9? 3*4=12? 3*5=15? 3*6=18? 3*7=21? 3*8=24? 3*9=27?
2*1=2? 2*2=4? 2*3=6? 2*4=8? 2*5=10? 2*6=12? 2*7=14? 2*8=16? 2*9=18?
1*1=1? 1*2=2? 1*3=3? 1*4=4? 1*5=5? 1*6=6? 1*7=7? 1*8=8? 1*9=9?