合并同类项综合练习题133.docx
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合并同类项综合练习题133
7c+3c-5c5y+3c+7y+2c
3m-9d-7m+4d+16m-18d5pq-18pq+11pq-pq
10a2b+9b2c+9a2b-6b2c4z+3z2-2z-19z2-6
3775
—z+—t-—t+—z18z2+5mn+6z2+9
2828
1
—xy+5n+8xy7pq+20x2y+14pq+4pq
8
8c+5c+2c7z-5b+6z+5b
9a+6n+5a-13n-20a-14n8mn+3mn-10mn-mn
13x2y+3y2z+21x2y+8y2z5y+7y2-6y-13y2-7
2175
—x-—y-—y-—x4m2+2ab-7m2-6
3737
5
—pq+2m+7pq4pq-3a2b-4pq+26pq
6
6f-5f+3f6z-3e-9z+2e
9a-4c-4a-7c-14a+18c9pq+19pq-13pq-pq
28x2y-4b2c+25x2y+4b2c9y-5y2-3y+16y2-9
1975
—m-—n-—n+—m16t2+3xy+5t2+7
4848
7
—ab+7y-4ab5mn+15a2b+9mn+2mn
6
3a-4a+6a9n+7f-5n+5f
8a+5c+18a-13c-10a-18c8mn+6mn-15mn+mn
11a2b+7b2c+17a2b+3b2c9y+7y2-6y-6y2+1
3975
—z+—y+—y-—z4m2-5ab-3m2-8
2828
4
—mn-6z-9mn9xy+4a2b+11xy-15xy
3
3d+5d-8d8x-6e+8x-8e
3m+6n-8m+6n+14m+12n4xy-16xy-11xy+xy
10a2b+7b2c-19a2b+5b2c7x-6x2-2x-7x2+7
6975
—m-—t+—t+—m3z2+8pq-4z2+3
5858
7
—pq+5t+5pq5pq+12x2y-13pq-18pq
6
7b+4b-3b8x-8a-8x-7a
8b-4d+8b-16d-13b+20d2mn-19mn-13mn-mn
27a2b-2b2c+14a2b-8b2c6z-2z2+4z-16z2-8
3175
—m-—t+—t+—m14n2-7mn+4n2-6
4646
5
—xy-7m+7xy9mn-7x2y+15mn-10mn
4
6a+9a-4a9x+2d+4x+5d
8m+3d+9m+18d-13m-11d5mn+19mn-13mn-mn
27a2b+2y2z+5a2b-3y2z3m-9m2+9m+17m2-5
1875
—m+—n-—n+—m12n2-8pq+4n2+9
2727
1
—ab+3t-8ab2mn+6x2y-13mn+21mn
3
7c-3c+5c8m-5f-4m-5f
7m-2c-7m+8c-18m+18c5pq+16pq-19pq-pq
25a2b+4y2z+3a2b-6y2z8x+6x2+8x-14x2+4
4675
—m+—t-—t-—m4m2-3xy-9m2+7
5757
4
—xy+7t+3xy3mn+12a2b-18mn+10mn
5
3d+3d+7d8m-5b+7m-6b
4b+4n+15b+19n+10b-16n6mn+9mn+15mn-mn
14x2y-8b2c+13x2y+2b2c4m-6m2-5m+4m2-8
3675
—m+—n-—n-—m17t2+9xy-5t2+3
4747
7
—pq-7z+8pq4ab+11a2b+16ab-2ab
6
6e+2e+9e7n-9e-2n+10e
5a-2d-9a+13d+16a+11d9pq+13pq-20pq+pq
11a2b+2y2z-22a2b+6y2z3m-7m2-8m+2m2+4
4175
—x+—t-—t-—x12m2+9pq+4m2-1
5656
7
—ab+6z-9ab7ab-2x2y-5ab+21ab
6