问题
解答题
计算: (1)|-4|-(-2)2+(
(2)-3x2•2y•(2xy2)3÷(-2xy5) |
答案
(1)原式=4-4+1-1 2
=
.1 2
(2)原式=-3x2•2y•8x3y6÷(-2xy5)
=(3×2×8×
)x2+3-1y1+6-51 2
=24x4y2.
计算: (1)|-4|-(-2)2+(
(2)-3x2•2y•(2xy2)3÷(-2xy5) |
(1)原式=4-4+1-1 2
=
.1 2
(2)原式=-3x2•2y•8x3y6÷(-2xy5)
=(3×2×8×
)x2+3-1y1+6-51 2
=24x4y2.