Question

7、8、9、10怎么等于24,但是每个数字只能用到一次

Answer 1

有个专算24的网站

1:8 × (9 ÷ (10 - 7))

2:8 × 9 ÷(10 - 7)

3:(8 × 9) ÷ (10 - 7)

4:(8 ÷ (10 - 7)) × 9

5:8 ÷ (10 - 7) × 9

6:8 ÷ ((10 - 7) ÷ 9)

7:9 × (8 ÷ (10 - 7))

8:9 × 8 ÷(10 - 7)

9:(9 × 8) ÷ (10 - 7)

10:(9 ÷ (10 - 7)) × 8

11:9 ÷ (10 - 7) × 8

12:9 ÷ ((10 - 7) ÷ 8)