合并同类项综合练习题103.docx
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合并同类项综合练习题103
3f-5f+5f2t-8e+3t+7e
4m+3d+13m-17d-20m-18d2pq+20pq-19pq+pq
19a2b+6b2c+6a2b-7b2c8x-4x2-8x-9x2+1
4175
—z+—t-—t-—z14t2+9ab+4t2+3
5757
1
—xy+9x+4xy2mn+9a2b+5mn+28mn
3
4c+2c+8c9n-3d+6n+3d
2b-6n-6b-15n-16b+16n4xy+14xy+14xy-xy
27x2y-4y2z+21x2y-8y2z5t-3t2-2t+9t2+3
3975
—z+—n+—n-—z10n2-8ab-6n2-5
2828
7
—ab+8x+3ab6xy+16x2y-6xy+29xy
6
9f+5f+3f8n-3d+3n-9d
5a+5c+4a+10c-13a-14c9ab+9ab+18ab-ab
29x2y+8b2c-19x2y-9b2c5m+5m2-9m+11m2-9
1775
—m-—n+—n-—m4x2-9ab-4x2+7
5858
1
—mn+9x-8mn7mn+12x2y+5mn+14mn
5
3c-7c+5c8z+5e+8z-3e
4m+2c-15m+3c-14m+11c3mn-12mn-17mn-mn
17a2b-7b2c+11a2b-5b2c3x-9x2+6x+5x2-6
4175
—x+—n+—n+—x19y2-6xy-8y2-6
5757
8
—mn+4x-5mn3xy-2x2y+8xy-11xy
7
3d-9d-4d10m-2c-5m+5c
4m-5n+4m-7n+18m-14n7pq-15pq-19pq+pq
15a2b+7y2z-3a2b+7y2z8x+8x2+3x+13x2-3
3975
—z-—n+—n-—z17n2+5pq-8n2+4
4848
1
—xy+4n-6xy5xy+9a2b+20xy+21xy
5
4c-4c-6c10t-9f-3t+9f
2m-2c-14m+6c+10m+10c9xy+7xy-18xy+xy
21a2b+7b2c+10a2b-5b2c8z+2z2-2z+5z2+1
1175
—m-—y-—y+—m16n2-7mn+7n2-1
4848
1
—ab-2z-9ab4mn-8x2y-8mn+20mn
5
5d+3d+6d2y-4c+3y-10c
6a-8c+20a-7c+10a+13c5ab-3ab-18ab-ab
27x2y+5b2c-4x2y+3b2c6t-5t2+2t-2t2-4
5575
—z+—t+—t+—z17y2+3xy-6y2-5
4646
6
—pq+4n+7pq5mn-19x2y-13mn-20mn
5
9f+6f+8f5n+6f-7n-8f
5a+6n+15a-19n+16a+14n3ab-2ab-19ab-ab
2x2y-8y2z-26x2y+3y2z9n+8n2+8n-8n2+1
6175
—z-—t+—t+—z5x2+7ab+9x2+3
5656
8
—ab-6n+2ab9pq+19a2b-5pq+20pq
7
3b-9b-2b5m-4d+9m+5d
4b+9n+18b+18n-12b-14n2xy+4xy+19xy-xy
13x2y-4y2z+26x2y+7y2z4z-5z2-9z-2z2-7
2875
—x+—t+—t-—x17t2+8pq-6t2+1
3737
4
—mn+8t+2mn2xy-6x2y+12xy-2xy
5
5d+5d+4d8y+9f-6y+2f
7m+7n-16m+11n-19m-13n8mn-4mn+13mn-mn
25x2y+6y2z+15x2y+8y2z8y+2y2-2y+16y2-4
1675
—m+—n-—n+—m13n2-2pq-8n2-9
4747
1
—pq+2z+8pq6ab+19x2y+10ab-6ab
2