合并同类项综合练习题62.docx
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合并同类项综合练习题62.docx
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合并同类项综合练习题62
2f-4f+5f8n-3f-2n+10f
8a-6c+11a-12c-14a+10c2pq-12pq+20pq+pq
16x2y-3y2z+20x2y-5y2z9x+4x2-7x-9x2-3
5575
—z-—t+—t+—z19z2+9mn-5z2-7
4646
1
—mn+3t+7mn6xy-9a2b-18xy-10xy
7
4b+4b+2b10t-5f+7t+9f
6m-8c+5m+11c-18m+14c3mn-9mn-12mn-mn
13a2b+7b2c-29a2b+6b2c5x-8x2+9x+14x2+3
1175
—x-—t+—t+—x16z2-7pq-7z2-3
2626
1
—xy-6y-6xy9mn-16a2b-19mn+13mn
5
8c-7c-2c4x+5d-2x+7d
2a-9d-20a-20d+10a+18d2xy-2xy+15xy+xy
5a2b-9b2c+20a2b+7b2c2z-2z2-3z-6z2+8
1575
—x-—n+—n-—x6x2-7mn-4x2-1
2626
1
—xy+6y-7xy5pq+6a2b+19pq-12pq
3
3b+4b+6b8n-9c-2n+10c
3a+2c-14a-10c+10a-12c2pq+2pq+14pq-pq
6a2b-4b2c+19a2b+2b2c3n+5n2+7n-3n2+3
1975
—m-—n-—n+—m13m2-9pq-9m2-9
4848
1
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3
9f+5f+9f3t-6f+5t-4f
3m-2c+5m+14c+15m+13c8xy-15xy+15xy+xy
10x2y-9b2c-7x2y+4b2c9y-8y2-7y-20y2+3
4775
—x-—y-—y-—x17y2-7pq-9y2+9
3636
9
—xy-8z-2xy5mn+6a2b-11mn-15mn
8
3e+5e+9e8x+9a+8x+10a
8m+8d+6m+5d+11m+14d4mn+5mn+11mn+mn
10a2b+8b2c-7a2b+9b2c6z+4z2+3z-2z2-2
1875
—x-—t+—t+—x5n2-4xy-6n2-2
2727
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—pq-8m-5pq4xy-10a2b+18xy+24xy
5
4f-7f-6f6n-5c-6n+2c
2a+5n+5a-20n-15a-14n2ab+13ab+10ab-ab
2a2b-3y2z-8a2b+4y2z3y-9y2+2y+19y2-4
1175
—x+—t+—t+—x10m2-7ab-6m2-3
3737
7
—xy-8y-7xy7ab+5x2y-3ab+24ab
8
5a-4a+9a10y-5b+8y-2b
8m+8d-12m+9d-17m-17d2ab-3ab-17ab+ab
2a2b-5b2c+18a2b-2b2c9t-3t2+6t+6t2+3
3175
—z-—t+—t+—z6y2+2xy-4y2+2
4747
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—mn-7t+2mn4pq+3x2y-9pq-7pq
5
2a-2a-9a3m+9b+5m-10b
9a-6d+13a-18d+12a-15d2xy-9xy+18xy-xy
30a2b+8y2z-26a2b-3y2z3t+6t2-9t+18t2+1
1675
—x-—t-—t+—x16m2-3xy-4m2-3
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—mn+8x-3mn4xy-3x2y-18xy-13xy
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5b-5b-8b6z-8c-7z+5c
2m-6d-3m+13d+19m-10d2mn-5mn-18mn+mn
2x2y+7y2z-30x2y-3y2z8z+2z2+3z+7z2+8
4675
—m+—y-—y+—m3z2-4ab-7z2+9
3737
9
—pq+9n-4pq4pq+15x2y+16pq-23pq
8
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