{ printf("%4d",b[i][j]); { printf("%4d",c[i][j]);
scanf("%d",&;k);
b[i][j]=k;
};
printf("您输入的矩阵b是:\n")
;
for(i=0;i
for(j=0;j
printf("\n");
};
for(i=0;i
sum4=0;
for(t=0;t
c[i][j]=sum4;
};
printf("您输入的两矩阵的乘积是:\n");
for(i=0;i
for(j=0;j
printf("\n");
};
break;
default:printf("您的选择有误请重新输入!!!\n");
};
}