根号48-2倍根号3
=√16×√3-2×√3
=4×√3-2×√3
=2倍根号3
猜你喜欢
- 1She likes the cinema because it's near her home同义句
- 2It _____(rain) yesterday.
- 3shall we go to the zoo tomorrow?(改为同义句) _____ _____we go to the zoo tomorrow
- 4倾角θ=37°的斜面上的物体A重10N,物体A用平行斜面的细绳通过滑轮与B物体连接
- 5英语翻译
- 6be动词与实意动词有什么区别,为什么动词疑问句要加助动词
- 7什么是轨道量子化
- 8我最喜欢的水果是苹果,因为他们很美味.i like apple ____ _____because they ___ ___
- 9设函数f(x)=xsinx在x=x0取得极值,则(1+x0)(1+cos2x0)的值为
- 10已知正三棱柱ABC—A1B1C1中,A1B⊥CB1,则A1B与AC1