合并同类项综合练习题99.docx
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合并同类项综合练习题99
6b-4b+3b7t-6f+2t+6f
4m-4d-11m+5d-10m-16d6pq+9pq-10pq-pq
17a2b+2y2z-25a2b+8y2z2x-9x2-3x+17x2-5
1175
—m-—n-—n+—m13y2+3xy-4y2-3
4646
6
—xy-2t+4xy8mn+2a2b+2mn+21mn
7
6d-3d+5d6x+6c+9x+8c
4m+2d+6m+15d-15m+13d6pq-11pq-13pq+pq
13a2b-3y2z-2a2b-6y2z5y-9y2+9y-7y2-6
1575
—x+—t-—t-—x2n2-3ab-5n2-3
2626
1
—mn-4n+5mn5xy-4x2y-16xy-4xy
3
5d+2d-9d8x-7e-5x-9e
9a-8d+13a-18d+20a-20d2pq-5pq-13pq-pq
8a2b-4y2z-3a2b-4y2z8x+3x2-8x+19x2+7
1875
—m-—t-—t-—m19z2+8ab+3z2+1
5757
3
—ab-4x-2ab7xy+13x2y+14xy-7xy
2
6d+3d-4d10n+4f+7n-4f
2b+6d-12b+10d-13b-20d4ab+20ab+12ab+ab
18x2y+4y2z-19x2y+6y2z2t-3t2-3t-12t2-2
4175
—m+—t+—t+—m6x2-8xy+4x2-8
5858
5
—pq-4y-3pq2xy-17a2b-5xy+8xy
4
8f-5f+9f7y-4e-7y+5e
2a+6n+6a+11n-20a-18n8xy+13xy+15xy+xy
6a2b+5b2c+9a2b-5b2c9x-2x2-2x-3x2-9
4975
—x+—y-—y-—x2t2+5mn+2t2-2
3838
1
—ab+6t-8ab8pq-14a2b-19pq+17pq
6
9d+3d+5d3y+4b+2y+7b
5a-9c-13a-17c-12a-18c3pq+2pq+20pq-pq
13x2y-7y2z-19x2y-2y2z2y-4y2+4y-7y2+2
4675
—x+—y-—y+—x17t2-2xy+8t2+7
3737
1
—pq+6n-9pq5xy+15a2b-3xy+24xy
3
4d+2d+3d6t-7f+7t+8f
8m+3c-13m+13c+11m+13c8mn+4mn+12mn-mn
3x2y+9y2z-13x2y+3y2z5x-8x2+3x-20x2-1
2175
—x-—t+—t-—x3t2-3xy-7t2-1
3636
1
—ab+5n-8ab9xy+2a2b+20xy+23xy
2
8e+8e-7e4t+6e-7t-8e
7m-8c-3m+20c+18m-14c7xy+11xy+16xy-xy
23a2b-7y2z-6a2b-7y2z6y+3y2+4y+11y2-4
1575
—m-—t-—t-—m14m2-6mn-3m2-6
2626
3
—pq-2m+9pq4ab+20x2y+7ab+12ab
2
8d-9d+9d3x+9f+3x+10f
8b+7d-16b+16d+15b+19d8ab-16ab-15ab-ab
14a2b+4b2c-10a2b-7b2c9y+9y2+6y+17y2-4
1575
—z+—n+—n-—z12z2-7mn-9z2-3
3636
6
—mn+5z+9mn4pq-9x2y-4pq-5pq
5
2c+3c+5c10x-7b+9x-3b
3b+3n-5b-14n+18b-15n8xy+7xy+14xy+xy
16x2y+6y2z-19x2y+5y2z8x-5x2-6x+7x2-9
1775
—x-—t-—t+—x11m2+4xy-8m2-3
3838
1
—pq-6z-9pq9pq+6a2b+11pq+8pq
3