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> 计算(3xx-2-xx+2)•x2-4x=______.-数学
计算(3xx-2-xx+2)•x2-4x=______.-数学
题目简介
计算(3xx-2-xx+2)•x2-4x=______.-数学
题目详情
计算
(
3x
x-2
-
x
x+2
)•
x
2
-4
x
=______.
题型:解答题
难度:中档
来源:不详
答案
(
class="stub"3x
x-2
-
class="stub"x
x+2
)•
x
2
-4
x
=
3
x
2
+6x-
x
2
+2x
x
2
-4
•
x
2
-4
x
=2x+8.故答案为2x+8.
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题目简介
计算(3xx-2-xx+2)•x2-4x=______.-数学
题目详情
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