1、在△ABC中,AB=14,BC=2X,AC=3X,则X的取值范围是多少?
2、在方程组X+Y=a,2X-Y=6中,已知X>0,Ym+n,X-1
人气:411 ℃ 时间:2019-11-17 19:20:48
解答
1、两边之和大于第三边,两边之差小于第三边
不难得出X
推荐
猜你喜欢
- The film star_____both a TV series and some well-known films.A took part in B joined
- 8.7l是什么意思
- 22,24,27,32,39,( A 40 b 42 c 50 d 52我想问的这个数列后一个数减去前一个数之后的质数数列2,3,5,7.
- interior ministry是内政部的意思吗
- we often hear him play the violin at home 改为被动语态
- Two friends _____a picture together.a.have b.are having c.has d.is having
- 一些植物的叶脉相互交错,称为_,有些植物的叶脉大体上平行分布,称为_
- 一条鱼的重量等于它的四分之三加上四分之三千克,这条鱼重【 】千克