2、4、5、7怎么列式等于24

答案:3 悬赏:20

解决时间 2021-04-28 17:34

提问者网友：不懂我就别说我变
2021-04-27 21:12

2、4、5、7怎么列式等于24

最佳答案

二级知识专家网友：啵啵桃汀
2021-04-27 22:15

1:  (4 - 2) × (5 + 7)
2:  4
÷ 2 ×(5 + 7)
3:  (4 ÷ 2) × (5 +
7)
4:  4 ÷ (2 ÷ (5 + 7))
5:  (4 - 2) × (7 + 5)
6:  4 ÷ 2
×(7 + 5)
7:  (4 ÷ 2) × (7 +
5)
8:  4 ÷ (2 ÷ (7 + 5))
9:  (4 × (5 + 7)) ÷ 2
10:  4 × (5
+ 7) ÷ 2
11:  4 × ((5 + 7) ÷
2)
12:  (4 × (7 + 5)) ÷ 2
13:  4 × (7 + 5) ÷ 2
14:  4 × ((7
+ 5) ÷ 2)
15:  (5 + 7) ÷ 2 ×
4
16:  ((5 + 7) ÷ 2) × 4
17:  (5 + 7) ÷ (2 ÷ 4)
18:  (5 +
7) × (4 - 2)
19:  (5 + 7) × 4 ÷
2
20:  ((5 + 7) × 4) ÷ 2
21:  (5 + 7) × (4 ÷ 2)
22:  (7 +
5) ÷ 2 × 4
23:  ((7 + 5) ÷ 2) ×
4
24:  (7 + 5) ÷ (2 ÷ 4)
25:  (7 + 5) × (4 - 2)
26:  (7 +
5) × 4 ÷ 2
27:  ((7 + 5) × 4) ÷
2
28:  (7 + 5) × (4 ÷ 2)

全部回答

1楼网友：不服输就别哭
2021-04-27 23:43

4/2*(7+5)=24

2楼网友：桃花别处起长歌
2021-04-27 23:17

1: (4 - 2) × (5 + 7) 2: 4 ÷ 2 ×(5 + 7) 3: (4 ÷ 2) × (5 + 7) 4: 4 ÷ (2 ÷ (5 + 7)) 5: (4 - 2) × (7 + 5) 6: 4 ÷ 2 ×(7 + 5) 7: (4 ÷ 2) × (7 + 5) 8: 4 ÷ (2 ÷ (7 + 5)) 9: (4 × (5 + 7)) ÷ 2 10: 4 × (5 + 7) ÷ 2 11: 4 × ((5 + 7) ÷ 2) 12: (4 × (7 + 5)) ÷ 2 13: 4 × (7 + 5) ÷ 2 14: 4 × ((7 + 5) ÷ 2) 15: (5 + 7) ÷ 2 × 4 16: ((5 + 7) ÷ 2) × 4 17: (5 + 7) ÷ (2 ÷ 4) 18: (5 + 7) × (4 - 2) 19: (5 + 7) × 4 ÷ 2 20: ((5 + 7) × 4) ÷ 2 21: (5 + 7) × (4 ÷ 2) 22: (7 + 5) ÷ 2 × 4 23: ((7 + 5) ÷ 2) × 4 24: (7 + 5) ÷ (2 ÷ 4) 25: (7 + 5) × (4 - 2) 26: (7 + 5) × 4 ÷ 2 27: ((7 + 5) × 4) ÷ 2 28: (7 + 5) × (4 ÷ 2)

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