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> 下列运算中,正确的是()A.(a5)2=a7B.4a2+2a2=6a4C.(-a-b)2=a2+2ab+b2D.2x-2=12x2-数学
下列运算中,正确的是()A.(a5)2=a7B.4a2+2a2=6a4C.(-a-b)2=a2+2ab+b2D.2x-2=12x2-数学
题目简介
下列运算中,正确的是()A.(a5)2=a7B.4a2+2a2=6a4C.(-a-b)2=a2+2ab+b2D.2x-2=12x2-数学
题目详情
下列运算中,正确的是( )
A.(a
5
)
2
=a
7
B.4a
2
+2a
2
=6a
4
C.(-a-b)
2
=a
2
+2ab+b
2
D.2
x
-2
=1/2x
2
题型:单选题
难度:偏易
来源:东台市模拟
答案
C
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题目简介
下列运算中,正确的是()A.(a5)2=a7B.4a2+2a2=6a4C.(-a-b)2=a2+2ab+b2D.2x-2=12x2-数学
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