合并同类项综合练习题61文档格式.docx
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3636
1
—ab+7t-7ab8pq-9x2y-15pq+25pq
8
7b-9b+3b3x-6f+4x-9f
9m+5c-5m-18c-15m-11c5mn-7mn-14mn+mn
5x2y-8b2c+12x2y+3b2c7y-4y2-6y-13y2-9
3975
—z+—t-—t-—z20z2+7ab-4z2-2
4848
7
—ab+9z-7ab7mn-13a2b+13mn-25mn
6
6a+4a-5a2n+8d-3n+9d
2b+3c-10b+2c-16b+13c7xy-14xy+17xy+xy
14a2b+4b2c-22a2b-3b2c6n+7n2+6n+19n2-8
5575
—x+—y-—y-—x13z2-7pq+2z2+4
4646
—pq-6m-3pq7mn-13x2y+8mn-18mn
2
3d-8d-8d9y-5a-4y-9a
2b+9c+16b+12c-10b+15c9mn+2mn+11mn-mn
21x2y-3b2c+13x2y+2b2c9n-3n2+9n+10n2+9
1575
—z-—y+—y+—z13n2+8ab+4n2+3
—mn-3n+3mn4xy+13x2y-9xy-8xy
6b-4b-3b3n-7c+4n-3c
9a+5n+19a-17n-20a+11n6ab-14ab+18ab-ab
11x2y+5y2z+9x2y+6y2z7x+2x2+7x-9x2-2
4675
—x+—t-—t+—x18z2+3ab-4z2-6
5757
—pq+6t+8pq5mn-3x2y+10mn-11mn
5
2d+8d+4d8z-5b+3z+7b
9m-5d-12m+19d-17m-16d6pq-18pq-20pq+pq
9x2y-2b2c+21x2y+2b2c6t-6t2-6t-8t2-6
4175
—x+—y-—y-—x16y2+8ab-5y2+1
5858
—xy+8x-8xy2mn-7a2b+2mn-26mn
2b+7b+3b4x-4a+6x+8a
6a+3c-13a+15c+10a+17c2pq+17pq-17pq-pq
24x2y+6y2z+16x2y+2y2z6z-6z2+2z+18z2-1
6775
—z-—t+—t-—z7x2-5ab-9x2-3
3
—pq-3t-5pq7ab+4x2y-12ab+21ab
6b+9b-3b6z-5d-5z+9d
9m+8n-2m-6n-10m-20n9pq-20pq-19pq-pq
7a2b-9b2c-22a2b+3b2c9z+8z2+5z-6z2+2
—m+—t+—t-—m14x2-5ab+7x2+6
—mn-9m-6mn8xy+11x2y+16xy+18xy
9a+9a-2a2x+7c+9x+8c
4a+5n-9a-18n-10a+10n5xy+7xy-15xy+xy
4a2b+3y2z+8a2b+6y2z7n+9n2-4n-9n2+4
2175
—x-—n-—n-—x18y2+2ab+8y2-8
3737
—ab+8m+4ab8mn-3a2b-7mn-17mn
8e-9e-9e2t+2e-6t-4e
8m+4c-18m+20c+17m+18c8xy+12xy-10xy+xy
24x2y+4y2z+19x2y-2y2z5y-9y2+3y+3y2+1
—x-—y-—y-—x14y2+8mn-7y2+7
2727
—mn-8x-8mn5pq+18x2y-14pq-13pq