合并同类项综合练习题29.docx
《合并同类项综合练习题29.docx》由会员分享,可在线阅读,更多相关《合并同类项综合练习题29.docx(6页珍藏版)》请在冰点文库上搜索。
合并同类项综合练习题29
7e-8e+8e10y-2c-6y-8c
2a-4n+9a-7n+20a+14n4mn+10mn-10mn+mn
19a2b-5b2c+30a2b+9b2c5m-6m2-3m-18m2-2
2175
—z+—t-—t-—z16y2-3ab+4y2-9
3737
5
—xy-5z-6xy9ab-20a2b-14ab-5ab
4
3c-5c-9c2x+2e-4x-3e
8b+5n+20b-10n-14b+19n2pq+16pq+17pq-pq
22a2b-5b2c+5a2b+8b2c2z+9z2-2z+16z2-8
1675
—m+—y-—y+—m12z2-2mn+7z2-4
2727
4
—xy+4z-3xy3pq+6x2y+17pq-28pq
3
8a-6a+6a2y-9a+4y+6a
7a+7d+2a-6d-13a+12d2ab+7ab+16ab-ab
19x2y-2b2c+11x2y+9b2c4n-4n2-6n-9n2+8
1575
—x+—y-—y-—x18z2-2pq-6z2+1
2626
1
—mn+6n+4mn4pq-5a2b-16pq+7pq
7
8c+6c+8c9t+9e-9t-8e
7b-7c-10b+11c-13b-10c8ab+9ab+16ab+ab
15x2y-3y2z+11x2y+2y2z2n+2n2-7n+17n2+2
4675
—z-—y-—y-—z10x2+7xy+9x2-9
5757
2
—mn-7z+8mn3mn+5a2b+12mn+11mn
3
4f-8f-7f8n+9d-2n+9d
7b-7n+18b-7n+20b+16n3xy+10xy+19xy+xy
9a2b+5b2c-25a2b-8b2c9z-2z2-6z+5z2-4
3775
—x-—y-—y-—x10z2+7pq-2z2-7
4848
1
—pq-3z+2pq9mn+12x2y-5mn+8mn
7
7f-9f-8f8t+8e-8t+6e
7b-4n-11b-13n+20b-12n7pq+20pq+14pq-pq
15x2y+4y2z-14x2y-4y2z8t-3t2+8t+15t2+3
2175
—z-—n-—n-—z17m2+9mn-9m2-9
3636
1
—xy+9m+6xy3mn+19x2y-13mn-16mn
7
8d-5d+5d9m-8d+3m-5d
9m+2n-9m-20n-19m-13n3mn+3mn-10mn+mn
4x2y+2b2c-5x2y+7b2c9t+4t2+7t-17t2-7
6575
—z-—n-—n+—z4x2-4pq+5x2+8
5656
7
—ab-8y+9ab6ab-2x2y-10ab-14ab
6
2e-3e-9e5z-5b+8z-4b
2a-4d-19a+14d-13a+18d7mn+20mn+15mn-mn
16a2b-8b2c+30a2b-2b2c2y+9y2-7y+9y2+4
5975
—x-—y-—y-—x11z2+9ab+4z2-3
4848
1
—ab-4t+3ab2mn+3x2y-7mn+19mn
5
3d+7d-3d5m-2b+4m-10b
9m+3d+16m+13d+20m+15d3pq+4pq+18pq-pq
19a2b+4b2c-21a2b+4b2c4x+5x2+4x+10x2+9
3675
—m+—n+—n+—m20n2-2ab-3n2+3
2727
1
—mn-9y-3mn7pq-18x2y-9pq+5pq
2
2a+7a+8a2t-4b+5t-4b
4a-9d-2a+5d-11a+17d6mn-2mn-12mn-mn
14a2b-2y2z+3a2b+4y2z8n-2n2+2n+5n2+4
1875
—x-—t+—t-—x15t2-3ab-8t2-7
5757
1
—xy+8n-5xy9xy-18x2y+6xy-23xy
5