1、初一合并同类项专项练习 224m(6m) 7x3x(157x) 32a225b2(12a2)(30b2) (y1z)(2yz) 2p2(pq)(2p2)pq 9b2(6a24b2)3b2 4(9ab3a2)(5ab2a2) 3x(2x8)(2x9) (7b6)6(2b6) (7x)(7x) 38a(23a) 4m(5m) 1x2x(118x) 6a21b2(20a2)(26b2) (yz)(3yz) 3p2(pq)(1p2)pq 2b2(3a29b2)6b2 9(5ab5a2)(5ab6a2) 6x(5x3)(2x5) (2b4)4(8b3) (5x)(2x) 25a(27a) 4m(4m)
2、3x7x(12x) 37a220b2(15a2)(24b2) (y2z)(3yz) 2p2(pq)(2p2)pq 4b2(3a25b2)5b2 3(5ab2a2)(2ab3a2) 3x(2x2)(3x2) (5b5)4(3b7) (7x)(7x) 19a(23a) 1m(6m) 1x5x(99x) 9a211b2(12a2)(22b2) (y2z)(1yz) 1p2(pq)(1p2)pq 5b2(5a22b2)5b2 3(3ab9a2)(6ab5a2) 5x(4x5)(2x9) (5b2)3(3b6) (5x)(9x) 26a(16a) 1m(9m) 14x3x(104x) 12a29b2(14a2)(25b2) (y2z)(2yz) 2p2(pq)(3p2)pq