是浙江教育出版社的6.3(1)吗?答案如下:
1.D
2.D
3.(1)2x,3y,(2x+3y)(2x-3y)
(2)5b,4a,(5b+4a)(5b-4a)
(3)x^2-y^2,xy(x+y)(x-y)
4.(1)(2x+3)(2x-3)
(2)(1+1/3a)(1-1/3a)
(3)(2q+0.1p)(2q-0.1p)
(4)m(m+2n)
5.(1)4xy(x+2y)(x-2y)
(2)1/2(2+a)(2-a)
(3)(4x+2y)(2x-4y)
(4)(a^2+4b^2)(a+2b)(a-2b)
6.4017
7.128cm^2