初一数学上册合并同类项专项练习题41.docx
《初一数学上册合并同类项专项练习题41.docx》由会员分享,可在线阅读,更多相关《初一数学上册合并同类项专项练习题41.docx(6页珍藏版)》请在冰豆网上搜索。
初一数学上册合并同类项专项练习题41
3e+6e+8e2y-4e+7y+9e
7m-5c+20m+9c+12m-12c3mn-7mn-17mn-mn
28a2b-5y2z+20a2b+5y2z2z-2z2-4z+10z2+6
1975
—x+—n-—n-—x12y2-5mn+9y2-2
4848
6
—ab+6m+7ab4xy+14a2b+18xy+26xy
7
8b+9b+5b6t+8b+9t+2b
5m+7d+3m-12d-12m+13d9pq+19pq+20pq-pq
4a2b-5y2z-27a2b-7y2z5m+5m2-5m-5m2-9
3775
—z-—t-—t-—z19y2+7pq+8y2+8
2626
1
—xy+5m-6xy5pq+9x2y+12pq-27pq
5
7f-5f+4f4y+6c-2y+7c
6b-5c-20b+5c+17b-12c8ab-11ab-10ab+ab
17x2y+7b2c+2x2y+4b2c8m-8m2+5m+6m2-9
1175
—m+—t-—t+—m19x2+3mn-5x2-4
5757
5
—xy-7y-7xy9xy-9x2y+12xy-23xy
6
5e-9e-2e5m-8f+3m+2f
7m-8n-16m-12n-13m+15n8mn+18mn-19mn+mn
9a2b+2b2c-2a2b-8b2c7z-3z2+5z-14z2-2
2175
—m-—y-—y-—m4z2-4pq+7z2+4
3636
1
—mn-4m-3mn4xy+15x2y-16xy+7xy
5
9b-4b+7b4n-8b+3n-5b
6m+7c+20m+9c+14m-11c8xy-3xy+19xy+xy
10x2y+2y2z-2x2y-5y2z2m+4m2+4m-17m2+8
1875
—z-—t+—t+—z5z2-2xy+4z2+1
2727
1
—pq+8y+6pq3pq+5x2y+9pq-10pq
5
7f-2f-7f7z-9a+9z+3a
9m-7d+9m-11d+14m-13d3xy-14xy-17xy+xy
9a2b+3y2z-27a2b-6y2z8m+2m2-8m+18m2+1
1575
—m-—t+—t-—m8m2-6ab+3m2+5
5656
1
—ab+7t+7ab3xy-9x2y-19xy+9xy
7
2f+8f-7f2y+7a-8y+8a
9a+3c-3a+14c+19a+17c7ab+20ab+13ab-ab
19a2b-9b2c+12a2b-3b2c3y+7y2-5y-16y2-5
3575
—m+—n-—n-—m2z2-9xy+6z2+3
4646
3
—xy+3x-9xy4xy-15a2b+6xy+30xy
2
8e+7e+3e3x-4b+7x+10b
2m+6d-3m+2d-12m-17d6xy+10xy-10xy-xy
16a2b+3b2c-3a2b-2b2c5x-4x2+9x-18x2+3
4775
—z-—y-—y-—z10y2+9pq-5y2-6
3636
1
—ab-9t+5ab3ab-4x2y-18ab+24ab
6
3d-7d+7d6n+3c-2n+3c
5a-6n+2a-20n-19a-16n2ab-10ab-11ab-ab
12a2b-4y2z-11a2b+9y2z7n-7n2-6n-2n2-3
1675
—x-—n+—n-—x19y2+9xy-6y2+2
2727
7
—mn-6x+6mn3pq+19x2y-3pq-20pq
6
7f-6f-8f8z+8d+6z-7d
7b+4c-4b+5c+11b-20c3ab+7ab+20ab-ab
22x2y-3b2c+25x2y+3b2c2t+8t2+8t-8t2-9
3975
—x-—y-—y+—x2z2-9ab+7z2-4
2828
5
—pq-3y+5pq7pq+10x2y+18pq-20pq
6
8d+4d+8d7m-8b+3m-6b
3a+3c+2a-10c+17a+20c5pq-16pq+15pq-pq
3x2y+4b2c+18x2y+8b2c5z-7z2-2z+5z2+8
4575
—x-—t+—t-—x6x2-3ab+7x2+2
5656
3
—ab+4m-8ab5xy-12a2b-15xy-28xy
4
5a+3a-2a5n+8d+3n+7d
2a-3d+2a+4d-19a-17d7pq-4pq-10pq-pq
18a2b+2b2c+11a2b+8b2c7x-2x2-2x+5x2-3
1775
—z+—y+—y+—z12x2+4ab+7x2-5
2626
1
—xy+5m+3xy3xy+12x2y+12xy+18xy
6