1、七年级数学下册整式的加减法计算题 401 (x2y5xy5)5(x2y2xy4) 5 1(x224x18y)(x211x16y) 6 6 1 1(7k34k26)(7k39k27k) 6 6 (5m28m7)( m3n7) (9x25x7)2(8x28x) 5(x28)2(x22) (x2y3xy2)7(x2y7xy8) 1 1(x221x13y)(x210x19y) 7 7 1 1(3k37k25)(2k32k24k) 4 3 (4m23m7)(3m8n7) (3x24x3)7(7x25x) 9(x21)6(x24) (x2y4xy5)2(x2y7xy8) 8 8(x230x10y)(x21
2、0x27y) 7 7 1 1( k32k22)(8k32k28k) 4 4 (3m27m3)(4m3n6) ( x29x9)6(8x28x) 5(x23)9(x27) (x2y2xy4)4(x2y9xy7) 1 1(x216x11y)(x214x19y) 4 4 1 1(9k35k29)(2k36k22k) 6 4 (2m25m8)(8m n3) (5x26x6)2(6x25x) 5(x26)3(x23) (x2y8xy6)5(x2y5xy8) 1 1(x221x16y)(x217x18y) 6 6 1 1( k35k25)(4k3 k21k) 2 3 (3m29m4)(6m7n1) (9x2
3、5x7)9( x25x) 8(x27)8(x24) (x2y7xy7)9(x2y7xy4) 5 1(x217x19y)(x218x24y) 6 6 1 1(9k35k29)( k32k29k) 4 5 (2m22m6)(3m6n3) (7x23x8)8(8x28x) 2(x27)9(x29) (x2y4xy5)2(x2y2xy7) 2 4(x225x17y)(x218x16y) 3 3 1 1(5k38k27)(3k33k29k) 4 3 (8m29m4)( m5n9) (9x26x5)3( x26x) 2(x26)4(x22) (x2y4xy3)8(x2y6xy3) 3 5(x228x17y)(x216x19y) 4 4 1 1(4k37k29)(2k35k25k) 2 4
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