#includeusing namespace std; int main() { //打印行数 for (int i = 1; i <= 9; i++) { //cout << i << endl; for (int j = 1; j <= i; j++) { cout << j<<"x"<< i <<" = "< 结果

#includeusing namespace std; int main() { //打印行数 for (int i = 1; i <= 9; i++) { //cout << i << endl; for (int j = 1; j <= i; j++) { cout << j<<"x"<< i <<" = "< 结果