初二下数学北大师版习题2.3和2.4的答案

2024-12-25 07:38:34
推荐回答(4个)
回答1:

把问题 打下来啊我没题目怎么做啊。。。。。。。

回答2:

(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)

回答3:

(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

回答4:

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)