初一数学下册计算题天天练 36.docx

1、初一数学下册计算题天天练 36 9(8x2 xyx)(3x25xy4x) 8 1 8(xy9y26)(x2xy3y27) 6 7 2 6(xyy)(xyx7) 3 7 (7y9x6z2)(5y4x2z2) (4m29m5)(2m2n1) ( x25x8)9( x26x) 7(x21)8(x22) (x2y2xy6)2(x2y7xy5) 1 5(x228x15y)(x217x18y) 6 6 1 1(5k32k29)( k36k25k) 6 2 (3k28k)( k27k5) (7a26a6b)(2a23a b) 2x2(8x26x1)(8x5) 6y2(4x2y)(2x23y2) 1(5x23

2、xyx)(7x24xy9x) 8 1 5(xy8y29)(x2xy8y29) 4 4 5 3(xyy)(xyx5) 6 4 (6y2x6z2)(7y9x7z2) (5m29m9)(6m3n8) (9x26x4)3( x27x) 3(x25)8(x26) (x2y9xy4)3(x2y3xy8) 7 1(x225x20y)(x213x11y) 6 6 1 1(3k3 k26)(7k33k27k) 4 5 (3k2 k)(5k28k9) (3a22a5b)(9a25a4b) 5x2(5x25x5)(4x1) 7y2(8x2y)(3x2 y2) 1(9x22xyx)(8x24xy9x) 6 9 4(x

3、y6y27)(x2xy y28) 8 5 1 1(xyy)(xyx2) 6 6 (4y9x9z2)(9y4x5z2) ( m29m3)(9m2n8) (8x2 x1)5(3x24x) 7(x29)9(x24) (x2y8xy6)9(x2y5xy3) 1 6(x220x15y)(x219x27y) 7 7 1 1(2k35k24)(7k3 k24k) 4 4 (2k24k)(2k27k8) ( a28a b)( a22a2b) 3x2(4x2 x9)( x2) 5y2(5x2y)(7x25y2) 1(5x26xyx)( x26xy4x) 6 1 2(xy2y26)(x2xy9y24) 5 3 5

4、 4(xyy)(xyx4) 4 5 (6y5x7z2)(9y7x8z2) (9m27m3)(6m8n9) ( x28x1)5( x2 x) 9(x28)7(x27) (x2y3xy8)7(x2y4xy6) 6 1(x213x18y)(x212x21y) 7 7 1 1(5k38k23)(8k33k26k) 2 5 (8k25k)(6k22k4) (5a29a9b)(3a22a5b) 6x2(6x22x9)(4x8) 3y2(3x2y)(6x24y2) 6(8x22xyx)(5x2 xy3x) 5 6 1(xy4y21)(x2xy6y29) 7 6 5 5(xyy)(xyx7) 6 4 (8y7

5、x7z2)(2y6x9z2) (8m27m6)(3m8n2) (8x22x1)6(2x29x) 6(x29)5(x26) (x2y4xy6)2(x2y7xy4) 1 2(x210x18y)(x213x27y) 3 3 1 1( k39k29)(3k34k25k) 6 5 (6k26k)(6k27k9) (4a22a9b)(5a26a4b) 9x2(8x25x8)(8x6) 9y2(2x2y)(2x2 y2) 1(8x22xyx)(8x2 xy4x) 8 7 8(xy y25)(x2xy3y26) 6 7 1 5(xyy)(xyx3) 3 6 (9y6x9z2)(4y6x z2) (5m28m6

6、)(6m n1) ( x25x1)6(6x28x) 6(x29)6(x25) (x2y6xy6)9(x2y2xy8) 1 1(x228x18y)(x214x26y) 3 3 1 1(2k38k22)(7k3 k25k) 6 4 (5k26k)(6k23k1) (8a26a3b)(7a27a9b) x2(5x24x7)( x6) 7y2(5x2y)(6x22y2) 1(5x28xyx)(3x22xy7x) 5 5 5(xy2y22)(x2xy8y22) 6 6 6 1(xyy)(xyx5) 7 8 (4y4x7z2)(5y5x8z2) (5m25m2)(6m2n1) (7x26x3)9(7x24x) 5(x24)2(x28) (x2y8xy9)7(x2y9xy3) 3 3(x227x14y)(x215x24y) 4 4 1 1(3k38k25)(3k33k21k) 2 6 (4k26k)(9k29k6)