
: 2 × (2 × 4 + 4)
2: 2 × ((2 × 4) + 4)
3: 2 × (4 + 2 × 4)
4: 2 × (4 + (2 × 4))
5: (2 × 4 - 2) × 4
6: ((2 × 4) - 2) × 4
7: 2 × (4 × 2 + 4)
8: 2 × ((4 × 2) + 4)
9: (2 × 4 + 4) × 2
10: ((2 × 4) + 4) × 2
11: 2 × (4 + 4 × 2)
12: 2 × (4 + (4 × 2))
13: (4 × 2 - 2) × 4
14: ((4 × 2) - 2) × 4
15: (4 + 2 × 4) × 2
16: (4 + (2 × 4)) × 2
17: (4 × 2 + 4) × 2
18: ((4 × 2) + 4) × 2
19: 4 × (2 × 4 - 2)
20: 4 × ((2 × 4) - 2)
21: (4 + 4 × 2) × 2
22: (4 + (4 × 2)) × 2
23: 4 × (4 × 2 - 2)
24: 4 × ((4 × 2) - 2)
这道题解答如下:
2244这样算24点,2乘以4等于8,8加上4等于12,12再乘以2等于24。当然,这只是其中一种算法,不同的运算符号和运算顺序,可以组合成不同的算法。