用3,3,7,7四个数,适当进行加减乘除运算,每个数恰好用一次,使得计算结果等于24
问题描述：
用3,3,7,7四个数,适当进行加减乘除运算,每个数恰好用一次,使得计算结果等于24
答
((3 ÷ 7) + 3) × 7=24
答
(3+3/7)*7=24
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)