大师作文网[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/
来源：学生作业帮 编辑：大师作文网作业帮 分类：数学作业 时间：2024/11/16 14:13:52
[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/5]^2x(-4/3)^3}
/=分号 ^数字=次方 :=除 x=乘
/=分号 ^数字=次方 :=除 x=乘
![[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/](/uploads/image/z/19730432-56-2.jpg?t=%5B%281-1%2F4-5%2F12%29%5E3%3A%281%2F3-1%2F2%29%5E2-%283%2F2%29%5E-2%5D%3A%7B%5B%28-4%29%5E-3%3A%281%2F8-3%2F4%29-2%2F)
[(1-1/4-5/12)^3:(1/3-1/2)^2-(3/2)^-2]:{[(-4)^-3:(1/8-3/4)-2/5]^2x(-4/3)^3}
=[(1-1/4-5/12)^3÷(1/3-1/2)^2-(3/2)^（-2）]÷{[(-4)^(-3)÷(1/8-3/4)-2/5]^2x(-4/3)^3}
=[(1/3)^3÷(-1/6)^2-(2/3)^2]÷{[(-1/4)^3÷(-5/8)-2/5]^2x(-4/3)^3}
=[(1/27)÷(1/36)-(4/9)]÷{[(-1/64)÷(-5/8)-2/5]^2x(-64/27)}
=[(1/27)x36)-(4/9)]÷{[(-1/64)x(-8/5)-2/5]^2x(-64/27)}
=[(4/3)-(4/9)]÷{[(1/40)-2/5]^2x(-64/27)}
=[8/9]÷{[-3/8]^2x(-64/27)}
=[8/9]÷{[9/64]x(-64/27)}
=[8/9]÷{-1/3}
=-(8/9)x3
=-8/3
=-二又三分之二.
=[(1-1/4-5/12)^3÷(1/3-1/2)^2-(3/2)^（-2）]÷{[(-4)^(-3)÷(1/8-3/4)-2/5]^2x(-4/3)^3}
=[(1/3)^3÷(-1/6)^2-(2/3)^2]÷{[(-1/4)^3÷(-5/8)-2/5]^2x(-4/3)^3}
=[(1/27)÷(1/36)-(4/9)]÷{[(-1/64)÷(-5/8)-2/5]^2x(-64/27)}
=[(1/27)x36)-(4/9)]÷{[(-1/64)x(-8/5)-2/5]^2x(-64/27)}
=[(4/3)-(4/9)]÷{[(1/40)-2/5]^2x(-64/27)}
=[8/9]÷{[-3/8]^2x(-64/27)}
=[8/9]÷{[9/64]x(-64/27)}
=[8/9]÷{-1/3}
=-(8/9)x3
=-8/3
=-二又三分之二.