//在屏幕上输出9*9乘法口诀表
int main() {
	int i = 0;
	int j = 0;
	for (int i =1; i <= 9; i++) {
		for (int j = 1; j <= 9; j++)
			printf("%d*%d=%d\t ", i, j, i * j);
			printf("\n");

}


}