Who is good at Maths?Come in!（1）若不等式(a+2)X>a+2的解集为X2,则m的取值范围是?(3)已知方程组x+2y=3和2x+ay=b,当等a于多少,b等于多少时,方程有无数解．请把解题过程写出来,小弟必定感激不尽．

He is a boy who is good at maths who is good at maths是定语从句 那里面的主谓宾是什么吖 i know you are student who is good at maths中who是什么? Nancy is good at Maths.(对Maths提问） Suzy is good at Maths Suzy has___ ___in Maths She is good at Maths改为同义 1.He is good at maths(同义词) Daniel is good at maths转换成近义句 nancy is good at maths 同义句 I know you are student good at maths I know you are student who is good at maths 这两个句字这两个句子中good at maths 是做定语还是宾补? He is good at maths. He is good at __________ (do) maths exercises. She is good at maths because she is h_____. She is good at maths because she isShe is good at maths because she is h________填空 She is good at maths 用英语解释句子 mathes he good at is English and 连词maths Jim is good at English and Maths.对Jim提问 jim is good at English and Maths的同义句 Jim is good at English and Maths.(改为一般疑问句) Daniel is good at Maths.的同义句