作业帮[x+p]²-[x+q]² 【2x+y】²-【x+2y】²16【x+y】²-9【x-y】² 4【2x-3】²-x²=?
来源：学生作业帮助网 编辑：作业帮 时间：2024/08/07 07:28:36
![[x+p]²-[x+q]² 【2x+y】²-【x+2y】²16【x+y】²-9【x-y】² 4【2x-3】²-x²=?](/uploads/image/z/2556300-12-0.jpg?t=%5Bx%2Bp%5D%26%23178%3B-%5Bx%2Bq%5D%26%23178%3B+%E3%80%902x%2By%E3%80%91%26%23178%3B-%E3%80%90x%2B2y%E3%80%91%26%23178%3B16%E3%80%90x%2By%E3%80%91%26%23178%3B-9%E3%80%90x-y%E3%80%91%26%23178%3B+4%E3%80%902x-3%E3%80%91%26%23178%3B-x%26%23178%3B%3D%3F)
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[x+p]²-[x+q]² 【2x+y】²-【x+2y】²16【x+y】²-9【x-y】² 4【2x-3】²-x²=?
[x+p]²-[x+q]² 【2x+y】²-【x+2y】²
16【x+y】²-9【x-y】² 4【2x-3】²-x²=?
[x+p]²-[x+q]² 【2x+y】²-【x+2y】²16【x+y】²-9【x-y】² 4【2x-3】²-x²=?
利用平方差公式a²-b²=(a+b)(a-b)容易化简上面几题