合并同类项综合练习题116.docx
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合并同类项综合练习题116.docx
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合并同类项综合练习题116
4e+5e+2e7z+7e-3z+6e
2a+6n-15a+20n-19a+11n3xy+7xy-19xy+xy
29a2b-3y2z-17a2b-2y2z6m+3m2+8m+3m2-6
4975
—m+—y+—y-—m3y2+5pq+5y2-2
3838
1
—mn-5y+7mn3ab-2x2y-7ab+3ab
2
5a+7a-5a8y-4c-5y-3c
9m-6c+11m+16c+17m-12c8mn-6mn+12mn-mn
18x2y-8b2c+2x2y-7b2c3m+5m2+2m-9m2-8
1675
—m-—n-—n-—m19x2+5mn-5x2-9
2727
1
—pq+7y-9pq6ab-4a2b-18ab-28ab
2
6a-3a+5a6t+7e+2t-7e
9m+6d+11m-3d-14m-17d3mn-15mn+14mn+mn
17x2y-9b2c+10x2y+5b2c2t+8t2-9t+8t2+2
1575
—m-—y-—y+—m19y2+2xy+7y2-5
4646
1
—xy+5n+7xy2pq+19a2b+5pq-12pq
7
9c+9c-3c9m-4a+3m+7a
5m+6d+14m-9d-11m+17d8mn-10mn+16mn-mn
8x2y+2b2c-17x2y+8b2c9t-7t2+5t+6t2-3
4175
—x+—n-—n-—x14x2+9pq-7x2+6
5656
1
—xy+5z+4xy9pq+18a2b-14pq-27pq
6
6d-6d-3d7z+2b-2z-10b
7b-3n+9b+11n-13b-20n4pq-18pq+11pq-pq
9x2y-8b2c+15x2y+2b2c8z-3z2-3z+7z2-5
3975
—z-—y-—y+—z10m2+7mn-9m2+7
4848
1
—mn-5x+3mn4xy-9a2b-6xy+17xy
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9c+4c-5c7n+3d+7n+5d
2m-8d-20m-17d+14m-19d9xy+9xy+17xy+xy
28x2y-5y2z+7x2y+4y2z7x-5x2+4x+19x2+2
1975
—x-—t-—t+—x20t2+2pq+5t2-7
2828
5
—pq+6m+3pq6xy+15a2b-18xy-20xy
4
9d+7d+2d3z-6d-6z+4d
9b-4d-19b-4d+12b-11d5pq+11pq-20pq-pq
23x2y-2y2z-29x2y-2y2z3m-5m2+3m-10m2-2
4575
—m+—y+—y-—m18t2-9ab-2t2+4
3636
5
—mn-6n+4mn5xy-10a2b+8xy-25xy
6
8f-3f+4f4m+8d-3m-8d
7b+8c+17b+14c+15b+13c8mn-15mn-20mn-mn
29x2y-6y2z+10x2y+8y2z5n-5n2-6n-17n2+2
4875
—m+—y-—y+—m17t2+7ab+5t2+8
3737
1
—xy-3n+8xy9xy-7a2b+11xy-30xy
2
7a-9a+9a8m-7d-7m+5d
4a-8d-2a-15d+16a+16d8pq+7pq-15pq+pq
28x2y+6b2c-21x2y+7b2c3t+8t2-4t-12t2+1
3175
—m-—n-—n+—m13t2-6ab-2t2+1
4747
4
—mn+6t-7mn7pq+17a2b-5pq+23pq
3
2a+7a+5a9x-7c+7x+9c
4b+8n+6b-7n+14b+12n6ab-3ab-15ab-ab
10a2b-2y2z+26a2b-4y2z8m+6m2-7m+19m2+4
1675
—z+—n-—n-—z10m2-6ab-9m2+5
2727
6
—xy-8t+5xy6pq+6x2y-12pq-12pq
5
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