合并同类项综合练习题106.docx
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合并同类项综合练习题106.docx
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合并同类项综合练习题106
5b+7b+8b2t+8a+2t+9a
8m-6c+2m+6c-19m-17c9xy-9xy+11xy+xy
10a2b-4b2c+17a2b+2b2c9z-9z2-5z+2z2+4
1875
—z+—n-—n+—z16t2-8mn-5t2+2
2727
1
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2
6c+2c+9c9m+2a-2m-6a
4b+3c+9b-20c+18b-15c9ab-2ab-12ab+ab
17x2y-4b2c-9x2y+7b2c6n-7n2+8n+2n2+3
1875
—x-—y-—y+—x12t2-9xy+4t2-1
4747
1
—ab-8m+9ab3mn+8a2b+18mn-23mn
3
9c-4c-5c2x-6d+6x+2d
3b+4d+16b+8d-12b-16d9mn-8mn-12mn-mn
23x2y+9y2z+18x2y-5y2z3z-9z2-9z-16z2-1
1175
—z-—t-—t+—z18t2-5xy-9t2+9
2727
9
—ab-2n+8ab4xy-17x2y-14xy-10xy
8
4f-9f+6f3z+4e-2z-4e
6m+5n-16m-4n-11m-15n9mn-19mn-19mn-mn
2x2y+5y2z-26x2y-7y2z4x+4x2-2x+9x2+5
1975
—m-—y-—y-—m8n2-7ab+7n2+1
4848
1
—mn-2x+4mn7xy+6a2b-11xy+29xy
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4c+9c+5c4n-6a+6n-10a
3b+2d-19b-10d+15b+12d3pq+5pq-14pq-pq
20x2y+9b2c+13x2y+5b2c7n-2n2+8n+14n2-7
4775
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5656
4
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8f-5f+8f5y-5c-9y-2c
3m-8n+20m+18n+14m-19n2ab+13ab+13ab+ab
19x2y-8b2c+15x2y+4b2c3n+9n2+5n+16n2+3
4975
—m+—y-—y-—m19x2+8ab+2x2+1
5858
3
—mn+9z-8mn6ab-17a2b-9ab-2ab
4
8c+7c-8c6x+6d-8x-4d
7b+7d+15b-17d-11b+18d7xy+16xy+13xy+xy
3a2b-4b2c+18a2b-8b2c2y+7y2-9y-18y2-2
1575
—z-—n-—n-—z15z2+6mn+3z2-4
2626
1
—pq-4n-2pq2mn-3a2b-3mn+24mn
8
5a-6a+6a8z+9b+9z+7b
4m-8c+12m-14c-15m-16c8pq-4pq+18pq-pq
23a2b+7y2z-18a2b-8y2z6x+4x2-6x+20x2-1
2175
—m+—n-—n+—m16n2-3ab+5n2-6
3636
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—xy+3z-7xy3ab+5a2b-15ab-17ab
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7b+7b-3b10y-3c-4y+3c
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4a2b-4y2z-10a2b-4y2z6n+9n2+6n+13n2+8
3675
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2727
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8b-7d+7b+19d+16b-19d3xy-2xy-15xy-xy
9a2b-5y2z-4a2b-2y2z7y-3y2-6y-7y2-7
1875
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3737
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—ab+7z+9ab5xy+5x2y+20xy+28xy
2
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