合并同类项综合练习题31.docx
《合并同类项综合练习题31.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31.docx(5页珍藏版)》请在冰豆网上搜索。
合并同类项综合练习题31
4b-6b+8b7z+4a-3z+8a
4a-2d+4a-10d-10a-10d8pq-7pq-13pq-pq
29a2b-6b2c-25a2b-7b2c7t-9t2+5t-20t2+2
1175
—m-—n+—n+—m4x2-4xy-4x2+9
2626
1
—ab+6x-4ab7mn-20x2y-10mn+30mn
3
6c-6c-3c6z+3a+2z-7a
6a-2d-13a+6d-13a+17d9pq-7pq+17pq+pq
23x2y-8b2c-29x2y-5b2c9t-8t2-5t+17t2+8
4675
—x-—n+—n-—x11t2-5ab-5t2-3
3737
1
—mn+2n-6mn2ab+18x2y+20ab+12ab
7
5e+9e+9e10z+3a+5z-5a
3a+3c+14a+7c+16a-11c6pq+17pq+14pq-pq
14a2b+8y2z+14a2b+2y2z6m-3m2+6m-2m2-8
1575
—m+—n+—n-—m4m2+4xy-9m2-9
3636
1
—xy+5y+3xy9mn+16x2y+17mn+11mn
2
4f-8f-6f9y+9f+6y+3f
8m+3d+9m+2d-16m+15d6pq+4pq-16pq+pq
12x2y+3b2c+12x2y+5b2c7n+9n2-9n-4n2+5
1775
—m-—y-—y+—m7m2+3xy+6m2+1
3636
4
—xy+2m-9xy2xy+18x2y+19xy+18xy
3
6d+7d-5d6t-2f-3t-9f
9b+9n-18b+11n-20b-20n8ab+14ab-10ab+ab
26a2b+7b2c+12a2b-9b2c5m+4m2-5m+2m2+2
4175
—z-—y+—y+—z2n2-5mn+7n2+9
3838
7
—ab+8m+4ab4ab+16a2b+19ab-28ab
8
2e-7e-9e10n+8f-4n-4f
7m+3n+3m-14n+19m+16n6pq+4pq-11pq-pq
28x2y-3y2z-27x2y-2y2z2z-3z2+4z-14z2+4
2575
—z+—n+—n+—z5m2+6mn-2m2-7
3636
1
—ab-6z-9ab3ab-2x2y+14ab+14ab
6
3c+7c-6c2t-6d-7t+3d
4a-9c+8a+20c+12a+19c6mn+6mn+15mn-mn
11x2y-4b2c-4x2y+9b2c2t-2t2+9t-3t2+5
4175
—z-—n-—n-—z7x2-5pq+6x2+4
3636
6
—mn-6t-6mn5mn-2a2b-11mn+18mn
5
5a+9a-9a5z-3c+4z+5c
2m+2c-2m+2c+15m+10c6ab+8ab-10ab+ab
12a2b-3y2z-25a2b-3y2z3t-3t2+3t+5t2+5
5175
—m+—y+—y+—m20m2-6pq-9m2+2
4747
1
—xy-8z+6xy8xy-16x2y-20xy-24xy
6
5d+8d+3d5t+3d+9t-3d
3m-3c-20m-9c-11m-20c8xy+7xy+15xy+xy
23x2y-4y2z+12x2y+2y2z8x+6x2+3x-10x2+8
1775
—m+—t+—t-—m5x2+5pq+2x2+5
2626
4
—ab+5z+9ab2pq-17x2y-12pq+28pq
3
3e-7e-8e4x-5c-9x-6c
8b-2c-2b-15c-14b+13c5mn-6mn-17mn-mn
15a2b-5b2c+13a2b+4b2c6y-8y2+8y+9y2+9
1175
—z+—y+—y+—z15n2+6ab+6n2-5
2828
6
—mn-4z+9mn3xy-4x2y+20xy-14xy
7