算24点:

问题描述:

算24点:
(1)3,3,7,7
(2)4,4,7,7

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...