7 8 9 10 如何成为24?

1: (8 ÷ (10 - 7)) × 9
2: 8 ÷ (10 - 7) × 9
3: 8 ÷ ((10 - 7) ÷ 9)
4: 8 × (9 ÷ (10 - 7))
5: 8 × 9 ÷(10 - 7)
6: (8 × 9) ÷ (10 - 7)
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)

7, 8, 9, 10的24点答案：
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)
算24点网站

7,8,10,9的24点答案：
1:(8 ÷ (10 - 7)) × 9
2:8 ÷ (10 - 7) × 9
3:8 ÷ ((10 - 7) ÷ 9)
4:8 × (9 ÷ (10 - 7))
5:8 × 9 ÷(10 - 7)
6:(8 × 9) ÷ (10 - 7)
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)