合并同类项综合练习题135.docx
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合并同类项综合练习题135.docx
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合并同类项综合练习题135
5c-3c+3c10y+5f+8y-8f
2m+7n-19m-18n+16m-15n5ab+17ab+17ab+ab
21a2b+3b2c-12a2b-6b2c6x+6x2+6x+15x2+6
3775
—z-—n+—n+—z19t2+6pq+9t2-6
2828
1
—pq-4n+2pq8ab-15a2b-19ab+25ab
4
8a+2a+2a9x+7f-4x-3f
9b+6d-12b-10d+16b+15d2pq-14pq+15pq+pq
7a2b-3b2c+18a2b+6b2c3t+4t2+9t+14t2-1
3775
—m+—t+—t-—m11t2+3mn+4t2+2
2828
7
—xy+8y-7xy6xy+20a2b+4xy-29xy
8
4d-9d+9d9t+8c+7t-3c
7b+3d+11b-20d-20b-19d7xy+3xy-16xy-xy
8a2b+6y2z+23a2b-7y2z7x+7x2-7x+6x2+5
2775
—m-—y+—y-—m18t2+3mn-4t2-9
3636
1
—mn-6n-5mn5xy+11a2b-18xy-6xy
3
6c-8c+6c9y+3f-3y+10f
6b+5n+5b+9n+19b+17n5xy-14xy-13xy-xy
16a2b+5b2c-15a2b+5b2c2z+8z2+5z-2z2+4
1775
—m-—y-—y-—m5y2-9xy+4y2-3
4646
5
—pq+6z+5pq7xy-4x2y-17xy-18xy
6
4d+7d-2d3x-7c-2x-4c
9m+5n-4m+4n+10m-17n4xy-17xy+17xy+xy
4x2y+6b2c-6x2y-5b2c5y+9y2+7y+20y2+5
1175
—m-—y+—y+—m15t2+9mn+4t2-7
2828
6
—pq+3x+3pq4pq+7a2b-14pq-19pq
7
2d+2d+4d7t-4a-7t+10a
9a-6c-2a-17c+17a-19c8pq-8pq-16pq-pq
20x2y+6y2z-9x2y-5y2z4z+4z2-8z-16z2+1
1875
—m+—n-—n-—m20t2+4pq-6t2-2
5757
4
—ab+9n+2ab7pq+15a2b-20pq-8pq
5
9e+6e-5e5z+5f+2z+9f
9m+5d+2m-3d-14m+11d2xy+2xy-17xy-xy
6a2b-5b2c-22a2b+7b2c7z-9z2+8z-13z2-2
3175
—x-—n-—n+—x7y2-7xy+8y2+4
4848
5
—ab-4m+9ab9mn+7a2b-17mn+27mn
4
4d+2d+8d3t-4a-4t+8a
2m+6n+12m-9n+14m+12n4xy-2xy+11xy+xy
4x2y-4y2z-5x2y+2y2z6z+3z2-2z-9z2+2
1975
—m+—y+—y+—m10z2+4pq+6z2+7
4848
5
—mn-5z+3mn9ab-11x2y-6ab-16ab
4
6e-2e-6e10y-5f-8y+8f
6m-3c+9m+2c+18m-12c4xy-3xy+14xy+xy
9x2y-4y2z-30x2y+9y2z7n+4n2+8n+13n2-8
1575
—m+—y-—y+—m20t2-3pq+6t2+5
4646
4
—pq+7m+4pq3xy-2x2y+2xy+6xy
5
3c+7c-3c4y+2a-9y+7a
8m-5c+7m+12c+13m-13c7mn-10mn-12mn-mn
26a2b+5y2z-15a2b-6y2z4y+8y2+2y-10y2+1
1175
—z-—y-—y-—z12x2-5mn+6x2-3
4848
8
—mn-7z-8mn7mn-9a2b-13mn-7mn
7
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