1、初一合并同类项专项练习 24(8x)(5x) 50a(35a) 2m(7m) 20x2x(187x) 34a230b2(20a2)(24b2) (y3z)(yz) 2p2(pq)(3p2)pq 2b2(4a23b2)5b2 2(9ab5a2)(7ab6a2) 9x(4x4)(3x2) (8b7)3(2b7) (6x)(5x) 33a(37a) 1m(6m) 3x8x(23x) 12a228b2(15a2)(25b2) (yz)(2yz) 2p2(pq)(1p2)pq 8b2(3a27b2)3b2 6(9ab2a2)(5ab9a2) 4x(2x8)(2x2) (3b7)9(3b3) (9x)(7
2、x) 3a(7a) 2m(6m) 13x5x(137x) 35a228b2(a2)(22b2) (y4z)(3yz) 1p2(pq)(2p2)pq 3b2(5a25b2)5b2 7(7ab9a2)(3ab9a2) 4x(5x4)(4x8) (6b3)6(5b2) (2x)(9x) 45a(19a) 2m(5m) 8x7x(152x) 46a225b2(14a2)(21b2) (yz)(3yz) 2p2(pq)(2p2)pq 3b2(9a26b2)6b2 5(5ab7a2)(6ab3a2) 2x(6x5)(3x3) (8b5)7(8b6) (3x)(5x) 20a(39a) 2m(8m) 4x5x(168x)