现有4个有理数3,5,7,-13,可列出怎样的算式,使其结果等于24?
问题描述:
现有4个有理数3,5,7,-13,可列出怎样的算式,使其结果等于24?
答
[7-(-13)×5]÷3
=(7+65)÷3
=72÷3
=24