(-5\8)*(-3.58)-(5/8)*(-3.42)-(-5|8)*7

问题描述:

(-5\8)*(-3.58)-(5/8)*(-3.42)-(-5|8)*7
今天之内

(-5/8)(-3.58)-5/8(-3.42)-(-5/8)7
=-5/8(-3.58)-5/8(-3.42)+5/8*7
=5/8(3.58+3.42+7)
=35/4