Question

(-4.09)-(-6又4分之一1) (-8又5分之4)-(-2.8) -0.5-(-3又4分之1）+2.75-7又2分

Answer 1

(-4.09)-(-6又4分之一1)

=-4.09+6.25

=2.16

(-8又5分之4)-(-2.8)

=-8.8+2.8

=-6

-0.5-(-3又4分之1）+2.75-7又2分之1

=-0.5+3.25+2.75-7.5

=-8+6

=-2

|-7又2分之1|-|-9又2分之1|

=7.5-9.5

=-2

-32又3分之1+5又4分之1+3又7分之1-5又4分之1+12又7分之6

= -32又3分之1+16

=-16又3分之1