用4,4,8,9算出24只能用+-*/算的有2种算法的

Question

用4,4,8,9算出24
只能用 + - * /算的
有2种算法的

Answer 1

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