3.4.4.7算24点加减乘除括号均可.

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3.4.4.7算24点加减乘除括号均可.

3.4.4.7算24点加减乘除括号均可.
3.4.4.7算24点
加减乘除括号均可.

3.4.4.7算24点加减乘除括号均可.
1:3 × (4 ÷ 4 + 7)
2:3 × ((4 ÷ 4) + 7)
3:(3 - 4 + 7) × 4
4:((3 - 4) + 7) × 4
5:(3 - (4 - 7)) × 4
6:(3 + 7 - 4) × 4
7:((3 + 7) - 4) × 4
8:(3 + (7 - 4)) × 4
9:3 × (7 + 4 ÷ 4)
10:3 × (7 + (4 ÷ 4))
11:4 × (3 - 4 + 7)
12:4 × ((3 - 4) + 7)
13:4 × (3 - (4 - 7))
14:4 × (3 + 7 - 4)
15:4 × ((3 + 7) - 4)
16:4 × (3 + (7 - 4))
17:(4 ÷ 4 + 7) × 3
18:((4 ÷ 4) + 7) × 3
19:4 × (7 + 3 - 4)
20:4 × ((7 + 3) - 4)
21:4 × (7 + (3 - 4))
22:4 × (7 - 4 + 3)
23:4 × ((7 - 4) + 3)
24:4 × (7 - (4 - 3))
25:(7 + 3 - 4) × 4
26:((7 + 3) - 4) × 4
27:(7 + (3 - 4)) × 4
28:(7 - 4 + 3) × 4
29:((7 - 4) + 3) × 4
30:(7 - (4 - 3)) × 4
31:(7 + 4 ÷ 4) × 3
32:(7 + (4 ÷ 4)) × 3

3*(7+4/4)=24
4*(7+3-4)=24