we,the,classroom,are,maths,in,having,a,class(.)
We are having a maths class in the classroom.
解不等式组 {2−x≤2(x+4)x<x−13+1 ,并写出该不等式组的最大整数解.
古语云:“养不教,父之过。这主要强调了父母对未成年子女有( )
使2x-4有意义的x的取值范围是____