下列运算正确的是{"A":"x2+x3=x5","B":"\uff08x2\uff093=x6","C":"x2\u2022x3=x6","D":"\uff08x2\u2022y3\uff092=x4y5"}_刷题宝

题干

下列运算正确的是（）

A：x²+x³=x⁵

B：（x²）³=x⁶

C：x²•x³=x⁶

D：（x²•y³）²=x⁴y⁵

上一题下一题 0.0难度选择题更新时间:2019-03-03 02:14:53

答案(点此获取答案解析）

B

同类题1

2016年7月4日，国务院办公厅发布《关于进一步做好民间投资有关工作的通知》(以下简称《通知》)。据此完成下面小题。

同类题2

It's not easy to find out the ____ (true) of the event in such a short time.

同类题3

在光滑斜面上的物体实际受到的力有（）

同类题4

读短文，判断下列句子正误

During holidays，Kitty usually goes to see the exhibits in many museums，such as the history museum，the art museum，the museum of science and technology and the museum of natural history．There are thousands of wonderful things in museum.There are paintings，sculptures(雕塑)，costumes(服饰)，swords(剑)，ancient animal bones and plants，stuffed animals(动物标本)and many others．It is always a good review of history to visit those museums．It is also a great way to learn more things by myself．

同类题5

关于M、N两地的正确的叙述是（　　）

小学学科试题库

初中学科试题库

高中学科试题库