(3.4)-(+5又6分之5)-(-1又4分之3)等于?

问题描述:

(3.4)-(+5又6分之5)-(-1又4分之3)等于?

(3.4)-(+5又6分之5)-(-1又4分之3)等于
=3.4-5又5/6+1.75
=5.15-35/6
=103/20-35/6
=(309-350)/60
=-41/60