|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/06 08:48:04
|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做|-5/2|×|-3/5|-|+1/2|÷|-2

|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做
|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做

|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)这道题怎么做
|-5/2|×|-3/5|-|+1/2|÷|-2/3|-(-3)
=(5/2)*(3/5)-(1/2)/(2/3)+3
=3/2-(1/2)*(3/2)+3
=1.5-3/4+3
=1.5-0.75+3
=3.75