-4^2-(3/2)^2x2/9+6除|-2/3^ - 知识问答

-4^2-(3/2)^2x2/9+6除|-2/3^3|

1个回答

-4^2-(3/2)^2x2/9+6÷|-2/3^3|
=-16-9/4x2/9+6÷8/27
=-16-0.5+20.25
=3.75
9又14/25x(-15)-(2.5+1/8-3又1/2+1又7/8)
=（10-1/25）x(-15)-(2.5-3又1/2）-（1/8+1又7/8)
=-10×15+1/25×15+1-2
=-150+0.6+1-2
=-150.4

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