2个4和2个7怎样组合运算最后答案得24

2024-11-18 01:29:03
推荐回答(1个)
回答(1):

1: (4 - 4 ÷ 7) × 7
2: (4 - (4 ÷ 7)) × 7
3: 7 × (4 - 4 ÷ 7)
4: 7 × (4 - (4 ÷ 7))