5.7.13.2算24点
问题描述:
5.7.13.2算24点
答
5,7,13,2的24点答案:1:5 - 7 + 13 × 22:(5 - 7) + 13 × 23:5 - 7 +(13 × 2)4:(5 - 7) + (13 × 2)5:5 - (7 - 13 × 2)6:5 - (7 - (13 × 2))7:(5 × 7 + 13) ÷ 28:((5 × 7) + 13) ÷ 29:5 × 7 - 13 + 210:(5 ...