合并同类项综合练习题32.docx
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合并同类项综合练习题32.docx
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合并同类项综合练习题32
4a+6a+9a5n+5d-2n-3d
9m-7c+12m-11c+12m+19c3pq+20pq-10pq-pq
27x2y+3y2z+30x2y+7y2z2x+8x2-2x+9x2-1
1175
—x-—n+—n+—x11m2+7mn-6m2+4
3636
5
—xy+4m-6xy9ab-13a2b+7ab+9ab
6
3d+3d-9d2n+3e+8n+3e
3a+7d+18a-4d+19a+16d6pq-17pq+18pq-pq
28x2y+4y2z+18x2y-4y2z9t-5t2-5t-15t2+9
1175
—x+—n+—n-—x7n2-4xy-9n2+8
2727
9
—mn+2y-2mn9xy+6a2b-6xy+19xy
8
5f-2f-2f9n+5b-7n-6b
2b+3c+19b+3c+16b-11c7ab-16ab+10ab+ab
13x2y-2b2c-17x2y-7b2c5t+8t2+3t+14t2-5
6175
—z+—y+—y-—z11z2-3ab+3z2-7
5656
3
—mn-6z-9mn4ab+8x2y-16ab+21ab
2
3a-4a+4a2x-5b+4x-10b
4b-8c-10b+12c-20b-19c4pq-6pq-15pq+pq
19a2b+5y2z+9a2b-7y2z6n+7n2+6n-6n2+1
1575
—z+—n+—n-—z16y2+8xy+7y2+2
5656
1
—xy+8t+7xy4xy-11x2y-4xy+5xy
2
4e+3e-9e4x+2f-7x+3f
3b-2n+19b-4n-12b+18n7pq-2pq-19pq+pq
4a2b-8b2c+12a2b+3b2c7x+6x2+2x+11x2+6
1975
—m-—t+—t-—m20m2-7xy-9m2-7
5858
8
—mn-8t+7mn8xy+18x2y-9xy+25xy
7
2a-4a-5a2x+9d+5x-4d
7a-5n+17a-14n+16a-17n5ab-8ab-16ab-ab
24a2b-5b2c-5a2b+7b2c7t+7t2-8t+5t2+7
1775
—x-—n+—n+—x2m2+2xy+8m2+8
5858
7
—ab+7x+6ab2ab+16a2b+5ab+30ab
6
6c+3c-5c10t+4a-3t-4a
2m-2n+7m-12n+11m+12n3xy-2xy-11xy+xy
7x2y+3y2z-13x2y+6y2z8z-2z2+4z+11z2-9
1875
—x+—t+—t-—x7z2+5xy-3z2-5
5757
8
—mn-7y-4mn6xy+13x2y-19xy+18xy
7
2c-5c-7c7m+9d-6m-8d
5a-9c-5a+10c+11a+16c3pq-15pq-10pq-pq
19a2b-4y2z+5a2b-2y2z2n+9n2-4n-10n2-7
1775
—m-—t-—t-—m9m2-5pq+2m2+2
4646
8
—xy+4z-8xy5xy-18x2y-13xy+2xy
7
3a-4a-7a3x-2c-7x+3c
5b+7n-6b+20n+16b-15n2pq+17pq+18pq-pq
29x2y+5y2z-4x2y-5y2z2m-9m2-8m+4m2-9
4975
—z+—y+—y-—z15n2-8pq+9n2+8
5858
7
—xy+8m-4xy3pq-5x2y+3pq-29pq
8
3d+7d+8d10n-2c-3n+5c
5m-5n-17m+19n-14m+10n3xy-3xy+16xy-xy
26x2y-5y2z+29x2y+4y2z4y-7y2+2y-16y2-8
1775
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2626
1
—xy-4z+9xy8pq+8x2y+5pq-21pq
4
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