合并同类项综合练习题136Word格式文档下载.docx
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合并同类项综合练习题136Word格式文档下载.docx
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2828
3
—mn+7m+7mn5mn+9x2y+19mn-4mn
2
9f-5f+8f10z-3a-9z-10a
6a+8n+12a+5n+10a+15n7xy-4xy+13xy+xy
12a2b-7b2c+21a2b+6b2c9z-5z2+7z-16z2+1
1675
—z+—y-—y-—z13m2-5ab-8m2-8
3737
5
—mn+2t-8mn9ab-6a2b-4ab-27ab
6
6c+2c-2c4t-8e+6t+9e
9a-8d+4a-17d-18a-10d2ab+3ab+16ab-ab
6a2b+7b2c-8a2b-4b2c4y+4y2+5y-10y2+6
1775
—m-—n+—n+—m2n2+4xy+8n2+9
7
—mn+6n-7mn6ab+3x2y+15ab-5ab
8
3e-3e+7e8t+2a-6t-9a
8a+7d-14a+4d+11a-18d7ab+4ab-17ab-ab
28x2y-4b2c-13x2y+9b2c5n+7n2+8n-18n2-7
—z-—n+—n-—z18n2-2ab+9n2+5
4646
—mn+5y+9mn6pq-4a2b-8pq+20pq
8b-8b-4b4n-7b-3n-9b
3a+7c+19a+20c-14a+19c5pq+11pq+12pq-pq
2x2y+4b2c-14x2y-2b2c4t-4t2+3t+14t2-6
—z+—t-—t-—z12n2+9mn+8n2+8
2727
—ab-6x-4ab4xy-2x2y+3xy-27xy
6b+6b+3b6n+5d+2n+8d
4a+4c+9a-2c-12a-10c9pq-4pq+15pq-pq
12a2b-5y2z-7a2b+3y2z8t+6t2-4t+3t2-7
—x+—t+—t+—x11n2+2xy-9n2-3
3838
—pq+4x-3pq4ab+3x2y-7ab-14ab
3b+8b-7b5y-3c+7y+9c
3a-9d+7a-4d-11a-12d8pq+4pq+17pq+pq
24a2b-6y2z+21a2b+2y2z9x+5x2+8x+4x2+3
1575
—m+—n+—n-—m13x2+8pq+9x2+1
2626
1
—mn+5z-4mn3mn-19x2y-2mn-25mn
4a+7a-9a6n-8d-9n-3d
9b-4n-20b+4n-20b-14n2xy+4xy-14xy+xy
18a2b+5y2z-21a2b-8y2z7x+8x2+5x+12x2+9
—x+—n+—n-—x4n2+2pq-6n2-7
3636
—pq-5t+3pq4mn-17x2y+7mn+27mn
8b-6b-4b4x-3b-4x+3b
5a-2d-18a-3d+13a+10d6pq+2pq+20pq+pq
17x2y+3b2c-25x2y+7b2c6z-2z2+9z+11z2-3
—x-—n+—n+—x13z2+7pq-7z2+2
4747
—mn+9y+3mn9pq+4x2y-11pq-10pq
7e+4e-5e7t+9d+4t-3d
3a-7n-18a-12n+15a-13n3xy+6xy-12xy+xy
11a2b-8y2z-29a2b-2y2z2z+2z2-3z+17z2-3
5175
—z-—t-—t-—z10y2-3pq-8y2+5
4848
—pq+9m+9pq9mn+8a2b-4mn+11mn
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