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> 计算(1)4-327+|3-2|-(2011-π)0;(2)(x2y-12xy2-2xy)÷12xy.-数学
计算(1)4-327+|3-2|-(2011-π)0;(2)(x2y-12xy2-2xy)÷12xy.-数学
题目简介
计算(1)4-327+|3-2|-(2011-π)0;(2)(x2y-12xy2-2xy)÷12xy.-数学
题目详情
计算
(1)
4
-
3
27
+|
3
-2|-(2011-π
)
0
;
(2)
(
x
2
y-
1
2
x
y
2
-2xy)÷
1
2
xy
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=2-3+2-
3
-1
=-
3
;
(2)原式=x2y÷
class="stub"1
2
xy-
class="stub"1
2
xy2÷
class="stub"1
2
xy-2xy÷
class="stub"1
2
xy,
=2x-y-4.
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(12)-2的值是()A.-14B.14C.4D.-4-数
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题目简介
计算(1)4-327+|3-2|-(2011-π)0;(2)(x2y-12xy2-2xy)÷12xy.-数学
题目详情
(1)
(2)(x2y-
答案
=-
(2)原式=x2y÷
=2x-y-4.