合并同类项综合练习题94.docx
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合并同类项综合练习题94.docx
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合并同类项综合练习题94
7e-5e-3e6z+8c+6z+6c
2b-6n-14b+3n-13b+15n2mn-17mn-20mn-mn
14x2y-2y2z-23x2y-9y2z4z+2z2-5z+9z2-6
1775
—x-—t+—t-—x7m2-7xy-5m2-1
3636
6
—pq+8y-4pq5ab+6x2y+18ab-16ab
7
9b+2b+5b2z-7d-4z+3d
7m+5c+2m+11c-10m+11c9pq-7pq-13pq+pq
7a2b+2b2c+21a2b+9b2c6t-4t2+5t+17t2-3
1875
—m+—y-—y+—m2n2-9pq-4n2+4
5757
5
—mn+2m+8mn6pq-6a2b-17pq-22pq
4
2f-8f+8f8x-8a+2x+4a
9a-8d+10a-17d-10a+12d2mn+14mn+14mn+mn
3a2b+6b2c-22a2b-8b2c8z+3z2+7z-11z2-1
2775
—x-—t-—t-—x5y2+4pq-4y2-3
3636
1
—pq-8y+6pq9xy-3a2b+7xy-14xy
8
5f-2f-7f4t-2d+3t+4d
8b-8d-3b+16d-18b-19d9ab-15ab+11ab-ab
26x2y+3b2c+16x2y-4b2c4m-2m2+8m+11m2+3
4175
—m+—y+—y+—m18t2+2pq+6t2+4
3636
3
—mn+9x+7mn2ab-16x2y+8ab+12ab
4
7d+7d-2d5y+5c+8y+7c
2b+4d+12b+5d-20b-12d5xy-2xy+16xy-xy
21a2b+9b2c-24a2b-6b2c4t-3t2+9t-2t2-1
5875
—z-—n+—n-—z3n2+3xy+5n2-5
4747
3
—pq-2z+6pq8pq-18x2y+18pq+19pq
4
4b+6b-3b7t+6e-2t+5e
4m+8d+4m+3d+19m+13d7ab-18ab+14ab+ab
14x2y-2b2c-11x2y+3b2c9y+7y2-5y-13y2+4
1675
—x-—n+—n-—x16n2+3pq-7n2-4
5757
8
—pq+3t+6pq8ab+18a2b-8ab-19ab
7
9a+8a+3a4m+2d-9m+3d
8a-4d-12a+8d-18a-16d9pq-13pq+15pq+pq
22x2y+7b2c-18x2y+3b2c8x+6x2+6x-19x2+3
4175
—x-—n+—n+—x14y2+9ab-2y2-6
5757
9
—mn+7m-8mn5mn+7x2y+8mn+27mn
8
9c+9c+7c7y+8f+2y+2f
6m-7d+3m+20d-13m+12d8ab-12ab-16ab-ab
14a2b+6b2c-18a2b+8b2c6x+8x2+7x+20x2+8
3175
—m+—n+—n+—m17m2+6mn+7m2+6
2727
1
—mn-8n+4mn2mn+17x2y-4mn+26mn
8
7a-2a-7a5n-5b-9n+2b
9b+4n-15b+3n+10b-19n4xy-4xy-17xy-xy
19x2y+9y2z+27x2y-5y2z3n-7n2-5n+10n2+4
6175
—m+—y+—y-—m2z2-4xy-2z2+8
5656
3
—ab+2z-6ab8mn+13x2y-7mn-6mn
2
8a-5a-7a9x-2c-9x-9c
8a+9n-7a+8n-11a+17n9pq+2pq+11pq+pq
2x2y+5b2c-2x2y+5b2c4z-6z2+3z-18z2-2
4775
—x-—t+—t+—x17z2-6ab+2z2-9
5656
6
—pq+2y+5pq5ab-9x2y+20ab+15ab
5
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