初一数学上册合并同类项专项练习题27Word格式文档下载.docx
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初一数学上册合并同类项专项练习题27Word格式文档下载.docx
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1
—mn-8n-2mn8ab+11x2y-15ab-3ab
2
3c-5c+3c10n+7f+2n-2f
8a-4d+18a+3d+10a+16d7mn-3mn-15mn-mn
18a2b-4b2c-13a2b-6b2c9y-3y2+4y+16y2-6
1175
—m+—n-—n-—m9z2+3mn-5z2+2
2727
—xy-5t-6xy5pq+11x2y-20pq-3pq
6
8d-6d+9d9t-8c-3t-6c
5b-2n-20b-15n+14b+19n7mn-20mn+20mn+mn
20x2y+4b2c+13x2y-8b2c8n+6n2-8n-10n2+6
3975
—z-—t+—t+—z11y2-6xy+2y2-3
4848
—mn-7n-5mn9xy+12a2b+8xy-13xy
4
8f-9f-6f9y-5b-6y-8b
6b+8c-4b+17c-17b+10c5xy-12xy+20xy+xy
8x2y-5y2z-27x2y-2y2z3y+5y2-7y-14y2+8
4775
—x-—t+—t+—x14t2+3xy-9t2-5
5656
—mn+3m-7mn9mn+5a2b+11mn+5mn
7
5f-2f-8f2x+7f+4x-2f
7b+2n+10b+19n+11b+18n4xy+11xy-14xy-xy
24a2b+3b2c+2a2b-6b2c4y-7y2+8y-17y2+5
—m-—n+—n-—m10x2+9mn+6x2+6
3737
—xy+5y+6xy3ab-3a2b-7ab+28ab
3
5b+6b+6b6t+2f+6t+5f
7m+6c-2m+2c-16m-13c5ab+10ab+15ab+ab
8x2y+2y2z+14x2y-8y2z7y-2y2+3y-18y2+1
1975
—x+—n-—n+—x3t2+4mn+4t2+5
3838
—xy-9x+8xy9xy-11x2y+14xy+23xy
8
3b-2b-3b6t-8e+2t+2e
7b+6n-7b-9n+17b-17n3xy+18xy-10xy-xy
16x2y+2y2z-11x2y+4y2z9x-4x2+8x+4x2+4
5175
—z+—t-—t-—z17n2-7xy+6n2+4
—mn-5y+7mn7xy+20a2b+5xy+4xy
7d+5d+4d10n+2b+5n-9b
9m+7d-3m+8d+15m-10d8pq+19pq-14pq-pq
23a2b-4b2c-14a2b+6b2c9z+9z2+2z+12z2-1
4175
—m+—t+—t+—m8n2+9ab+7n2+9
3636
—mn-9t-9mn5ab-16a2b+11ab-14ab
7d-3d+9d9x-5c-5x-9c
5b+2n-18b-6n-19b-20n4mn-3mn-16mn+mn
28x2y-4b2c+12x2y-6b2c9y+2y2+7y+13y2-8
5775
—z+—t-—t+—z2m2+7ab-4m2-8
—xy+3x+8xy6xy+7x2y-18xy-27xy
9a-7a-9a2m-9b+8m+8b
7a+3c+6a+6c+10a+12c8pq-16pq-12pq+pq
28x2y+8b2c+8x2y-5b2c2x-2x2+5x-10x2-5
4575
—x+—n-—n-—x8x2-4pq-8x2+3
—mn+3n+4mn7ab+19x2y-13ab-29ab
9d+2d-4d2m-5c-5m+4c
9a-5d-3a+6d+13a+18d8xy-14xy-12xy-xy
17x2y-3b2c-30x2y-5b2c5t+4t2-8t-9t2-7
—z-—n+—n-—z19z2+6ab-5z2-3
—ab+4y+9ab6ab-16x2y+15ab-19ab
5
3b+8b-6b9x-4a+8x+6a
8a+2n+2a-18n+17a+17n2pq+18pq-19pq+pq
4x2y-6y2z-10x2y+4y2z3x+7x2-5x+3x2-3
—m+—n-—n-—m19t2-4mn+7t2-5
4646
—pq+3m-5pq3pq-11a2b+5pq-22pq
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- 初一 数学 上册 合并 同类项 专项 练习题 27