七年级数学下册整式的加减法计算题 295.docx

1、七年级数学下册整式的加减法计算题 2958y2(5x2y)(8x27y2) 8 ( x29xyx)(2x2 xy5x) 7 1 6 (xy6y23)(x2xy9y24) 8 7 5 1 (xyy)(xyx5) 4 4 (3y7x6z2)(4y5x2z2) (3k25k)(5k28k4) (4a24a b)(9a26a5b) 3x2(9x28x6)(4x9) y2(3x2y)(7x22y2) 1 (9x27xyx)(8x28xy3x) 6 4 9 (xy6y23)(x2xy8y25) 5 8 5 9 (xyy)(xyx9) 6 8 (4y4x9z2)(3y9x2z2) (9k27k)(6k27k

2、9) (3a24a6b)(5a23a6b) 6x2(4x27x1)(4x9) 9y2(4x2y)(9x2 y2) 1 (2x22xyx)(3x25xy8x) 7 1 1 (xy8y24)(x2xy8y29) 7 8 6 1 (xyy)(xyx9) 7 6 (8y7x5z2)(9y6x3z2) (5k22k)(2k27k5) (3a25a6b)(3a29a6b) 5x2(5x2 x3)(7x2) 4y2(7x2y)(5x29y2) 1 (4x2 xyx)(7x2 xy6x) 5 6 4 (xy9y26)(x2xy2y28) 5 3 2 5 (xyy)(xyx5) 3 4 (7y6x6z2)(3y

3、9x3z2) (2k22k)(9k25k2) (7a27a6b)(6a28a6b) 6x2(3x27x2)( x2) 9y2(9x2y)(3x26y2) 5 (8x22xyx)(3x24xy4x) 6 6 1 (xy y28)(x2xy8y26) 5 7 4 1 (xyy)(xyx4) 5 5 (5y9x7z2)(3y x3z2) (9k2 k)(2k25k8) (4a29a4b)(3a28a7b) 5x2(5x2 x9)(4x6) 6y2(9x2y)(9x23y2) 7 (7x29xyx)(3x2 xy5x) 6 1 1 (xy2y28)(x2xy6y24) 8 4 8 1 (xyy)(xyx4) 7 5 (2y6x3z2)(8y4x2z2)