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> 下列计算(-ab)2ab2的结果中,其中正确的是()A.1B.-1C.-aD.a-数学
下列计算(-ab)2ab2的结果中,其中正确的是()A.1B.-1C.-aD.a-数学
题目简介
下列计算(-ab)2ab2的结果中,其中正确的是()A.1B.-1C.-aD.a-数学
题目详情
下列计算
(-ab)
2
a
b
2
的结果中,其中正确的是( )
A.1
B.-1
C.-a
D.a
题型:单选题
难度:偏易
来源:不详
答案
原式=
a
2
b
2
a
b
2
=
a
b
2
•a
a
b
2
=a.
故选:D.
上一篇 :
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题目简介
下列计算(-ab)2ab2的结果中,其中正确的是()A.1B.-1C.-aD.a-数学
题目详情
答案
故选:D.