下列各式计算正确的是

题干

下列各式计算正确的是（）

A：3 $\sqrt{3}$ ﹣ $\sqrt{3}$ =3

B： $\sqrt{8}$ × $\sqrt{2}$ = $\sqrt{8 \times 2}$

C： $\frac{3}{2}$ $\sqrt{3}$ ×4 $\sqrt{3}$ =6 $\sqrt{3}$

D：2 $\sqrt{15}$ +2 $\sqrt{3}$ = $\sqrt{5}$

上一题下一题 0.0难度选择题更新时间:2017-10-20 05:59:25

Our Summer Camp
When	On July 5th
Where	A ____mountain village
Who	Stay with the____
What	In the morning, we'll learn to ____animals from the local people. In the afternoon, we'll____about the river. In the evening, we'll enjoy the bright____.