合并同类项综合练习题110.docx
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合并同类项综合练习题110.docx
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合并同类项综合练习题110
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7b-6c-17b-14c-12b+20c6ab-4ab-13ab+ab
4x2y-2b2c-24x2y-5b2c6x+2x2+4x-20x2-5
4875
—z+—t+—t-—z12n2-3xy+8n2+9
5757
1
—mn-7t-8mn9xy-7a2b+10xy+5xy
2
8a-2a+4a3m-6f+6m-6f
5b+4n-18b+5n+17b+18n9ab-14ab+18ab-ab
24a2b-2y2z+26a2b-5y2z6t+9t2-3t+18t2+5
1175
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5656
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—pq-9n-8pq4pq-20x2y-5pq+19pq
6
4d+2d+4d3m-5c-4m+8c
5a-9d-13a+13d-17a-15d3pq-11pq-17pq+pq
8a2b-9y2z+30a2b-4y2z9x-9x2-7x+3x2+5
1175
—x+—n+—n-—x18z2-4mn+9z2-9
4848
8
—mn-9m+2mn5mn+4a2b-2mn-26mn
7
3b-4b+5b10m-4a-8m+5a
9b-5d+11b+3d+10b+17d7ab+13ab+20ab-ab
25a2b-4b2c-13a2b+5b2c3t-3t2-5t-5t2+9
2875
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4a-6n+18a-3n+17a-12n3xy+2xy+14xy-xy
19x2y+4b2c-7x2y-8b2c8x+8x2-7x+2x2-6
6175
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5656
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8c+9c+3c8x+8c+4x-6c
2b-5c+15b-3c-20b-15c3pq-14pq-16pq+pq
20a2b+3y2z+29a2b+4y2z9x-2x2-4x+15x2+5
1175
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—pq-9x+6pq4xy+12x2y+16xy+26xy
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3c+8c+9c8y+2a+8y-2a
9b-5n+7b-7n-19b+19n8xy+16xy-12xy+xy
24a2b-3b2c+20a2b+7b2c7t-4t2+9t-8t2-3
3175
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2828
8
—pq+6m+8pq3ab+15a2b+19ab+27ab
7
8e-3e+3e9x-8a-6x+10a
6m+3c-7m+15c+11m-18c5xy+6xy-12xy+xy
29x2y-7b2c-15x2y+9b2c5t+7t2+8t+19t2+4
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4875
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5a2b-6y2z+3a2b+5y2z6n-9n2-2n+4n2-7
2575
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4
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