合并同类项综合练习题50Word格式.docx
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2727
1
—pq-7t+5pq7xy+20x2y-14xy-5xy
8
2b-9b-3b2y-4d-3y+4d
3a-4c+17a+16c+15a+13c7ab-19ab+12ab+ab
9a2b-5b2c-14a2b+4b2c6y+5y2+2y+7y2-3
—x-—y-—y-—x17z2+3mn+7z2-2
5
—mn-2m-3mn2mn-2x2y-19mn-24mn
4
5f-8f-4f2z-4d-4z-9d
3m+2d-20m-19d+16m+17d8pq+8pq+11pq-pq
27x2y+6b2c+28x2y+5b2c9n+7n2-8n+14n2-5
5775
—x-—n+—n-—x5t2-2pq-2t2+6
4646
3
—pq-4x-8pq4xy+10x2y+9xy-2xy
2
7b+8b+8b10t-7c-7t+6c
7a+4n-19a+17n-18a+13n6pq-4pq+20pq-pq
7x2y-8b2c+11x2y+5b2c7t-7t2-2t-14t2+1
1775
—x+—t+—t-—x11y2-5pq+2y2+4
2828
—mn+6t+9mn9pq-7x2y+11pq-24pq
9b-3b-8b8z+5c+3z+2c
6a-5d-19a-9d+11a+17d7pq-10pq-16pq-pq
12a2b-8b2c-18a2b+4b2c7m+3m2+8m-6m2-3
6675
—x-—t-—t+—x9m2+4mn-2m2-5
5757
—ab-6x+2ab4ab+20x2y-6ab+21ab
2e+8e+9e8n+8e-6n-10e
5b-2d+15b-16d-18b-10d9ab-6ab+18ab-ab
24a2b-5b2c-25a2b+5b2c6t+5t2+5t+19t2-2
3775
—m+—n-—n+—m15t2+6ab+2t2+6
4848
—mn-8z+6mn8pq+19a2b+15pq+19pq
5a-2a+8a7t-5e-3t+10e
3b+8c+18b+20c-19b-10c8xy-10xy-13xy-xy
9a2b+4y2z+12a2b+5y2z2z+7z2+9z+13z2-8
—z-—y-—y+—z2n2-6pq+5n2-2
7
—xy+5y+2xy7ab+3x2y+17ab-15ab
6
9a-8a-8a6x+8f-8x+9f
9m+8n+5m+4n+20m+20n4ab-15ab-15ab-ab
18x2y-7y2z+22x2y+3y2z2y-6y2-8y-7y2+9
—x+—n-—n+—x15z2-7pq-6z2+3
3838
—mn-7m+3mn3xy-20a2b-2xy-25xy
9b+7b-2b7m-7b+3m+10b
3b+6n-5b+7n-19b+14n7mn+5mn-15mn+mn
29a2b-8b2c+16a2b+6b2c3y-4y2-7y+5y2-3
—m-—y-—y+—m3m2+7mn+7m2-7
—xy+9y+2xy8xy+11a2b+15xy-12xy
5e+9e-7e10m+8a-8m-10a
8a+7d+2a-6d-15a-10d6pq+10pq-11pq-pq
10x2y-7b2c+29x2y+5b2c8x+9x2-5x-20x2+2
4175
—x+—t+—t-—x18y2+9ab+6y2-1
5656
—ab-2x+8ab2xy-9a2b+3xy+29xy