(-6.5)-(-7.3)-(-3.7)+(+12.5)-(-2分之1)列式计算_数学解答

(-6.5)-(-7.3)-(-3.7)+(+12.5)-(-2分之1)列式计算

人气：280 ℃　时间：2019-08-26 06:56:01

解答

(-6.5)-(-7.3)-(-3.7)+(+12.5)-(-2分之1)
=-6.5+7.3+3.7+12.5+2分之1
=-6.5+7.3+3.7+12.5+0.5
=-6.5+11+13
=-6.5+24
=17.5