-5²÷(-3)²x(-5)³÷[-(-5)²]过程详细、(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 08:21:23
![-5²÷(-3)²x(-5)³÷[-(-5)²]过程详细、(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)?](/uploads/image/z/15193535-23-5.jpg?t=-5%26%23178%3B%C3%B7%EF%BC%88-3%EF%BC%89%26%23178%3Bx%EF%BC%88-5%EF%BC%89%26%23179%3B%C3%B7%5B-%EF%BC%88-5%EF%BC%89%26%23178%3B%5D%E8%BF%87%E7%A8%8B%E8%AF%A6%E7%BB%86%E3%80%81%EF%BC%88-1%EF%BC%89%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9x%5B4%E5%8F%883%E5%88%86%E4%B9%8B2%C3%B7%EF%BC%88-4%EF%BC%89%2B%EF%BC%88-1%E5%8F%884%E5%88%86%E4%B9%8B1%EF%BC%89x%EF%BC%88-0.4%EF%BC%89%5D%C3%B7%EF%BC%88-3%E5%88%86%E4%B9%8B1%EF%BC%89%3F)
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-5²÷(-3)²x(-5)³÷[-(-5)²]过程详细、(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)?
-5²÷(-3)²x(-5)³÷[-(-5)²]
过程详细、(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)?
-5²÷(-3)²x(-5)³÷[-(-5)²]过程详细、(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)?
-5²=25÷9x(-125)÷(-25)
=14
(25÷9≈2.8 2.8x(-125)=-350 -350÷(-25)=14)
(-1)的四次方x[4又3分之2÷(-4)+(-1又4分之1)x(-0.4)]÷(-3分之1)
=1x[3分之16x(-4分之1)+(-4分之5)x(-0.4)]÷(-3分之1)
=1x(-3分之4+2分之1)÷(-3分之1)
=1x(-6分之8+6分之3)÷(-3分之1)
=1x(-6分之5)÷(-3分之1)
=2分之五