合并同类项综合练习题144.docx
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合并同类项综合练习题144.docx
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合并同类项综合练习题144
7e-7e-7e5z-4a-2z+6a
4a-9n-16a-17n-11a+16n7pq+2pq-16pq+pq
5x2y+4y2z+27x2y-2y2z6y-6y2+2y-10y2+7
1175
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4848
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6c+8c+9c10y+5c+9y-7c
3a-3d-2a-19d-15a+11d8pq+14pq-16pq-pq
19x2y-4b2c+28x2y+5b2c9y-8y2+3y+9y2-9
1175
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3838
9
—mn+3n+5mn5pq+11a2b-11pq+4pq
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7c+6c+8c7n-9a-9n+7a
4b-6d+11b+7d-17b+13d8mn+13mn+19mn+mn
5x2y-7y2z-29x2y+9y2z8z+5z2+4z-14z2-9
1775
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4848
8
—xy-2y+9xy2pq+19x2y-7pq-19pq
7
3b-4b+3b3y+8b-9y+6b
7b-9n+2b-10n-14b+12n5pq-10pq-15pq-pq
26a2b+8y2z-2a2b-2y2z2t-9t2+7t-9t2-6
6875
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5757
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—pq-8z+4pq5mn+4a2b+13mn+16mn
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5a+7a+3a8m-8c+7m+10c
3b-4n+16b-3n+11b+15n9mn-17mn+12mn-mn
27x2y-8y2z-30x2y-3y2z8m+6m2-9m+4m2-3
4775
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3838
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2a-8a-7a9y+8f+4y-2f
8m-7d+20m+17d-11m-10d3mn-18mn-16mn+mn
5a2b-4b2c-4a2b+6b2c4m+5m2-6m+18m2+2
6175
—x-—y+—y-—x7n2-8mn+9n2-3
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—xy-2y-2xy6ab-13x2y-17ab-28ab
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8b-7b+8b4n-5e+9n-2e
5m-9c+19m-18c+15m-12c8mn-9mn-19mn-mn
19a2b+9b2c-11a2b-9b2c5x+3x2+4x-8x2-3
1575
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5a-3n+16a-8n+13a-20n3pq+20pq+13pq-pq
11x2y+8b2c+12x2y+8b2c2z-5z2-3z-10z2+6
1175
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2727
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28x2y+8b2c-25x2y-4b2c6z-6z2-7z+15z2+2
6175
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26x2y-6b2c-2x2y-7b2c4n-3n2+3n-4n2+8
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8
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