算24点:(1)3,3,7,7(2)4,4,7,7
问题描述：
算24点:
(1)3,3,7,7
(2)4,4,7,7
答
(3 + 3 ÷ 7) × 7
(4 - 4 ÷ 7) × 7
答
1: (3 + 3 ÷ 7) × 7
2: (3 + (3 ÷ 7)) × 7
3: (3 ÷ 7 + 3) × 7
4: ((3 ÷ 7) + 3) × 7
5: 7 × (3 + 3 ÷ 7)
6: 7 × (3 + (3 ÷ 7))
7: 7 × (3 ÷ 7 + 3)
8: 7 × ((3 ÷ 7) + 3)
答
1：（3+3/7）*7
2：（4-4/7）*7
答
2：（4-4/7）*7
1：（3+3/7）*7
答
1:(3 + 3 ÷ 7) × 72:(3 + (3 ÷ 7)) × 73:(3 ÷ 7 + 3) × 74:((3 ÷ 7) + 3) × 75:7 × (3 + 3 ÷ 7)6:7 × (3 + (3 ÷ 7))7:7 × (3 ÷ 7 + 3)8:7 × ((3 ÷ 7) + 3)1:(4 - 4 ÷ 7) × 72:(4 - (4 ÷ 7)) × 7...