1、七年级数学整式的加减法计算题大全 61 (7a26a7b)(8a23a7b) 8x2(3x2 x1)(7x2) 2y2( x2y)(9x23y2) 7(5x23xyx)(7x26xy4x) 6 6 5(xy9y25)(x2xy6y24) 7 6 4 2(xyy)(xyx5) 3 3 (6y5x8z2)(8y4x5z2) (3m2 m6)(4m n4) (3x22x7)2(2x24x) 8(x25)7(x26) (x2y2xy7)5(x2y4xy6) 1 1(x218x18y)(x212x10y) 6 6 1 1(8k34k28)(5k34k22k) 4 5 (9k22k)( k28k5) (
2、a26a6b)(2a29a7b) 6x2(6x27x2)(4x8) y2(5x2y)( x29y2) 6(8x27xyx)(7x25xy7x) 7 5 6(xy6y25)(x2xy3y25) 6 7 6 1(xyy)(xyx9) 5 7 (7y5x6z2)(5y2x9z2) ( m29m6)(8m2n8) (2x26x1)2(6x25x) 2(x21)7(x25) (x2y8xy2)2(x2y8xy9) 5 5(x220x13y)(x216x20y) 4 4 1 1( k3 k28)(4k36k21k) 4 4 (8k27k)(9k27k3) (5a29a6b)(2a27a5b) 3x2(3x
3、2 x4)(2x1) y2(6x2y)( x27y2) 4(2x29xyx)(9x23xy7x) 5 8 1(xy7y23)(x2xy5y25) 7 4 1 5(xyy)(xyx1) 4 4 (6y x6z2)(4y x8z2) (7m25m7)(8m8n8) (9x29x7)8(8x2 x) 3(x29)6(x21) (x2y5xy8)2(x2y3xy6) 7 9(x213x19y)(x210x28y) 8 8 1 1(5k35k27)(9k37k27k) 4 5 (6k28k)(5k23k8) (3a29a5b)(7a28a8b) 4x2(9x26x9)(6x2) 4y2(8x2y)(2x24y2)
