Question

／－0.75/+（+3又4分之1）－（－1.125）－/－0.25/+1又8分之5？

Answer 1

|－0.75|+（+3又4分之1）－（－基念1.125）－|－0.25|+1又8分并锋裤之5
=0.75+3又1/4+1.125-0.25+1又绝简5/8
=0.75+3.25+1.125-0.25+1.625
=0.75+（3.25-0.25）+（1.125+1.625）
=0.75+3+3
=6.75

Answer 2

根据绝对值的性质，可以计算如下。
／－0.75/+（+3又4分烂碰闷之1）饥弯－（－1.125）－/－0.25/+1又8分之吵信5
=-0.75+3.25+1.125+0.25+1.625
=5.5

Answer 3

l一0.75丨十13/兆烂4十族灶漏9/8一1/4十 13/8
=3/4+13/4一1/4十9/8十辩指13/8
=15/4+22/8
=52/8
=13/2