1.125+(-3又五分之二)+(-8分之1)+(-0.6)

问题描述:

1.125+(-3又五分之二)+(-8分之1)+(-0.6)

1.125+(-3又五分之二)+(-8分之1)+(-0.6)
=1.125-3.4-0.125-0.6
=(1.125-0.125)-(3.4+0.6)
=1-4
=-3