用5.8.7.8这四个数加减乘除要等于24,但不能重复.

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解决时间 2021-03-09 13:42

提问者网友：末路
2021-03-09 03:09

最佳答案

五星知识达人网友：北城痞子
2021-03-09 04:14

是5 6 7 8吧？
1: (5 + 7 - 8) × 6
2: ((5 + 7) - 8) × 6
3: (5 + (7 - 8)) × 6
4: (5 + 7) × (8 - 6)
5: (5 - 8 + 7) × 6
6: ((5 - 8) + 7) × 6
7: (5 - (8 - 7)) × 6
8: 6 × (5 + 7 - 8)
9: 6 × ((5 + 7) - 8)
还有很多

全部回答

1楼网友：狂恋
2021-03-09 05:52

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

2楼网友：梦中风几里
2021-03-09 04:32

7-5=2 2×8=16 16＋8=24

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