合并同类项综合练习题37.docx
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合并同类项综合练习题37.docx
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合并同类项综合练习题37
3a-6a-6a9y+2b-4y-8b
2m+5d+12m-12d+12m+15d9ab+13ab+18ab-ab
2x2y-9y2z+24x2y+8y2z9m-2m2-7m+13m2-8
3875
—z-—t+—t-—z13n2-2xy-7n2+2
4747
1
—ab+4x+9ab6mn-12x2y-4mn+17mn
5
6e-4e-2e5z-4f-4z-2f
5m+2n-19m+6n+16m-18n5xy-15xy+19xy-xy
11a2b+3y2z-7a2b-3y2z4y-2y2-8y+3y2-8
1675
—x-—t+—t+—x10m2-8pq+7m2+8
5757
6
—mn-3y+3mn3mn+16x2y-14mn-4mn
5
4a+4a-4a4t-6a-4t-9a
3b+8c-14b+20c+15b-12c8xy+2xy+16xy-xy
16a2b+9y2z+4a2b+3y2z9y+8y2-2y+15y2-1
1775
—x-—t-—t-—x17x2-9ab-9x2+5
2828
1
—ab+9z+4ab5xy-3a2b+15xy+18xy
2
6d-9d+6d3t-5c-2t-6c
5m+3d-6m-19d-20m+20d5pq-14pq+15pq-pq
14a2b+4b2c+25a2b-2b2c3n+4n2-5n+12n2+3
1875
—x-—n-—n-—x14n2+8pq-8n2-8
3737
6
—ab+5m-8ab8pq+11a2b-8pq-18pq
7
5c+7c-6c10m-4d+9m-8d
5a+7d-9a-15d+20a+14d6pq-6pq+16pq-pq
10a2b-2y2z+22a2b+7y2z5y-7y2-3y+17y2+8
1875
—z-—y-—y-—z20x2+9ab+9x2-1
3737
1
—pq+2t-5pq9mn-13a2b-2mn-24mn
2
3c-2c-9c6m+9b+9m+7b
7a+8d+16a+12d-13a-10d5pq-15pq-11pq-pq
26a2b+4b2c-9a2b+6b2c9m-8m2+4m+13m2-2
4775
—z-—n+—n-—z3m2+8pq+6m2-4
5858
3
—pq-4y-4pq5mn+8a2b+13mn+19mn
2
5c-5c+7c10x-5f-5x-9f
2b+7d+4b-15d-18b-16d6pq+15pq+11pq+pq
4x2y+4y2z+21x2y-9y2z7m-2m2-6m-10m2+8
5775
—m+—t-—t+—m4t2+3pq-3t2+2
4848
1
—xy+3y-8xy8mn+13x2y+8mn+30mn
2
2c-3c+7c4x-9a+7x+3a
3m-9c-15m+18c-12m-20c5mn-10mn-11mn+mn
9a2b-7y2z+4a2b+8y2z2n+5n2+6n-19n2-4
1875
—m+—y-—y-—m5m2+7pq-8m2-4
5757
1
—xy-5x+4xy4pq-4x2y-11pq-19pq
5
9d+2d+9d7n-9a-8n+5a
5m-7d+5m+2d-19m-15d9xy+8xy-18xy-xy
3x2y+8y2z+8x2y-8y2z5m-9m2-7m-3m2+6
3575
—x+—y-—y-—x10t2+3ab-9t2+4
4646
3
—pq+4z+2pq5ab+3x2y+17ab+30ab
4
9e+7e+9e8z+8f+5z-7f
2b+3c+7b+8c+16b-11c6xy+18xy-13xy-xy
24a2b+2y2z+10a2b-4y2z2y+6y2-2y+13y2+4
1875
—m-—n+—n+—m17m2+6xy-5m2-2
5757
5
—pq-3t-7pq3mn-15x2y+12mn-4mn
6
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- 合并 同类项 综合 练习题 37