合并同类项综合练习题82.docx
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合并同类项综合练习题82
6b+8b+4b10m-5b-3m+8b
5a-9c+17a-18c+17a-15c7pq-10pq+20pq-pq
26x2y-9b2c+2x2y-9b2c6n+2n2+8n+8n2-8
3175
—z+—y+—y-—z4y2-8ab+7y2+5
2626
6
—xy+6y+2xy8pq+20a2b+15pq+22pq
7
9d-8d-5d10x-9b+9x+6b
4m+2d-4m+19d+10m-14d8ab+18ab-13ab+ab
14x2y+8b2c+3x2y-5b2c4x-8x2+8x+15x2-8
3575
—z+—t+—t+—z2y2-2xy+4y2+8
2626
6
—xy-3z-9xy5pq+9x2y+15pq+20pq
7
5f-7f-6f2z-5f+7z-7f
4b-8c-17b+18c-13b+13c3mn+13mn+10mn-mn
15a2b-5b2c+28a2b-6b2c3n+3n2+3n+4n2-9
4775
—x-—t+—t-—x2z2-8pq-4z2+2
5858
5
—ab-3x-9ab4pq+13a2b+16pq-19pq
6
7f-6f-8f8m+6e+5m-10e
7b+6n-17b+16n-16b-13n5pq+6pq+16pq+pq
29a2b+6y2z+16a2b-3y2z9n-9n2+3n-12n2-3
1175
—m-—y-—y-—m2z2-4xy-2z2-4
5858
1
—pq+6x-7pq6ab+16x2y+3ab-8ab
4
2b-4b-6b7x-8f-5x+6f
9a+8n+10a-12n+14a+10n9xy-19xy+20xy+xy
24x2y-5b2c+23x2y+6b2c6y+5y2+4y+2y2-7
3675
—z+—t-—t+—z5x2-5ab+7x2+2
4747
3
—ab+8m+2ab8pq+12a2b+5pq+3pq
2
3c-9c+4c10z-6b+8z+9b
5b-9c+5b-8c+15b+12c7mn-12mn+11mn-mn
25a2b+8b2c-9a2b+7b2c4t+2t2-4t+8t2-6
1775
—m-—n+—n-—m9z2-9pq+4z2+3
4646
5
—mn-3m-7mn6ab+7x2y-4ab-26ab
4
7d-4d+5d3m-7a-2m-4a
6m-2c-14m+18c-18m+17c6mn+3mn-14mn+mn
10a2b+4y2z+20a2b+5y2z4n-9n2-8n+15n2+9
1875
—x+—y+—y+—x18y2-8pq+4y2+6
5757
3
—ab-8t+9ab5ab+14a2b-10ab+12ab
4
2d-6d+3d4n-8f+5n+5f
7m-5d+14m+19d-12m+18d4mn-10mn+16mn+mn
25a2b-9b2c-17a2b+6b2c5t-5t2+5t+20t2+2
6175
—m-—t+—t-—m12n2+5mn+3n2-4
5757
6
—pq+9y-5pq2xy+6x2y-10xy+15xy
7
2c+2c+7c9m-8f-2m+3f
7a-5c-13a+4c+11a-13c2xy-13xy-16xy-xy
16a2b-3b2c-2a2b+9b2c5z+8z2-3z+13z2-4
1575
—x-—n-—n+—x5n2-3ab+7n2+3
4646
1
—xy-4y+6xy8ab-7a2b-18ab-30ab
4
3a-4a-3a6z-7d+7z+5d
7a+5n+16a-15n-11a+11n8xy-3xy-18xy+xy
12x2y+7y2z-28x2y+2y2z5n+8n2+4n+12n2-5
2875
—z-—n+—n-—z14x2-3ab+6x2+8
3737
6
—pq+5m-8pq5ab-6a2b-3ab+24ab
5