把问题 打下来啊我没题目怎么做啊。。。。。。。
(a+9)(a-9)
(6+x)(6-x)
(1+4b)(1-4b)
(m+3n)(m-3n)
(0.5q+11p)(0.5q-11p)
(13x+2y)(13x-2y)
(3ap+bq)(3ap-bq)
(a+9)(a-9)
(6+x)(6-x)
(1+4b)(1-4b)
(m+3n)(m-3n)
(0.5q+11p)(0.5q-11p)
(13x+2y)(13x-2y)
(3ap-bq)的平方-6apbq
唉,苦于没题呀,这里有位大师十分想回答那两道题,唉!
(a+9)(a-9)
(6+x)(6-x)
(1+4b)(1-4b)
(m+3n)(m-3n)
(0.5q+11p)(0.5q-11p)
(13x+2y)(13x-2y)
(3ap+bq)(3ap-bq)