0.75+(-4分之11)+(+0.125)+(-7分之5)+(-4又8分之1)等于几

问题描述:

0.75+(-4分之11)+(+0.125)+(-7分之5)+(-4又8分之1)等于几

0.75+(-4分之11)+(+0.125)+(-7分之5)+(-4又8分之1) =3/4-11/4+1/8-5/7-33/8 =(3/4-11/4)+(1/8-33/8)-5/7 =-2-4-5/7 =-6又5/7
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