合并同类项综合练习题46.docx
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合并同类项综合练习题46.docx
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合并同类项综合练习题46
2e+3e-7e9t-5c+8t+3c
7m+8n+13m+5n-12m+16n8pq+17pq+11pq+pq
28a2b-7y2z+7a2b-2y2z5x+3x2-3x+14x2-8
5675
—x+—t-—t-—x4x2+6pq-4x2+1
4747
1
—xy-7y+4xy7xy+13a2b-16xy+15xy
6
2a-5a+9a8x+2e+6x-2e
4m-7n-13m+18n+19m+12n4mn+12mn-15mn+mn
12a2b+8b2c+26a2b+8b2c8t+3t2-4t-14t2+1
1775
—x+—t+—t+—x17z2+8ab+7z2+1
4848
1
—pq+3z+6pq4xy-16x2y-6xy+28xy
2
8a-7a-9a10n+8a-4n+10a
6a-8d-17a+5d-11a+10d9ab+3ab-18ab-ab
5x2y+3y2z-22x2y-8y2z9n+5n2+9n+17n2-7
3175
—z-—t-—t+—z16m2-8mn-4m2+3
4747
4
—xy-2x-4xy3pq+15a2b-5pq-18pq
3
9d+8d+2d7n+4f+4n-7f
2m+8c-20m+15c-13m+12c2xy-18xy-10xy+xy
27x2y-9y2z-22x2y+6y2z6n+5n2+2n+2n2-4
1175
—m-—n+—n-—m5x2+2pq-8x2+7
2727
7
—mn+5m+7mn6xy+7x2y-19xy-7xy
6
7b-4b-3b3t-9f+4t+8f
4a+3n-15a-4n+14a-18n9xy+9xy+12xy+xy
3a2b-8y2z+6a2b+3y2z8n+5n2-4n+12n2-5
3175
—m+—y+—y+—m20n2+4mn+9n2+2
2626
4
—xy+9z-9xy4pq+8x2y+5pq+17pq
3
5a+9a+4a6n-4b+5n+7b
8m-6d-10m+19d+14m-12d2xy+10xy+17xy+xy
11a2b+4y2z-17a2b-2y2z3m-3m2-5m+19m2-2
4875
—z+—y-—y-—z17z2-4pq+8z2-6
3737
8
—mn+7m-6mn2xy-20x2y+4xy+4xy
7
5e+6e+8e3m+6f+6m+4f
5b-6d+15b-7d+12b-13d2xy+15xy+15xy+xy
7a2b+8y2z-24a2b+3y2z4n-6n2-3n+2n2+2
6175
—x-—n+—n+—x14y2-5ab+6y2+5
5858
1
—ab+2y-8ab9xy+8a2b+16xy+21xy
7
7c+7c+4c2m+4a-6m+10a
6m+7c-6m+2c-11m+19c6mn-7mn+13mn-mn
5x2y+4y2z-19x2y-6y2z4x+4x2+5x-10x2+8
1975
—x-—y-—y+—x15y2-6mn+5y2-1
2828
1
—xy+7t-9xy7mn+19x2y+10mn+30mn
8
6b-6b-6b10z+5d-6z+9d
5a-5n-16a+20n-11a-11n5ab+17ab-11ab+ab
29a2b-8y2z+13a2b+6y2z7m-7m2+7m-14m2-4
1175
—m+—y-—y-—m6t2-2mn-5t2+7
4848
5
—mn+9n-8mn6pq-16x2y-11pq+22pq
4
9f+6f-9f6n-6a-3n-7a
8m-5n-5m-10n-11m-17n4ab-9ab-11ab-ab
10x2y+3b2c-4x2y+5b2c9x-8x2+2x+16x2+8
1775
—x-—n-—n-—x14y2-4xy+8y2+5
2626
3
—mn+3m-9mn4xy-5a2b+12xy+18xy
2
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