计算:(1) (π-2013 ) 0 -( 1 3 ) -2 +|-4| .(2)(x 2 y) 3 •(-2xy 3
1个回答
(1)原式=1-9+4,
=-4.
(2)原式=x
6
y
3
•4x
2
y
6
,
=4x
8
y
9
.
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