初一数学上册合并同类项专项练习题67.docx
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初一数学上册合并同类项专项练习题67.docx
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初一数学上册合并同类项专项练习题67
7a+5a-4a8t+9b+6t+4b
4b+5d-8b+13d+12b+14d2mn-5mn-15mn+mn
28a2b+9b2c+30a2b-4b2c5n-7n2-7n+5n2+7
6175
—x-—t-—t-—x15y2-9pq-8y2-4
5656
1
—pq-7m+2pq4mn+9x2y+4mn-17mn
4
4f+3f+3f2z+2c+7z+10c
6m-9d-5m+2d-15m-19d9pq+17pq+14pq+pq
26a2b+6b2c-27a2b-6b2c8m-9m2-4m+8m2-6
3775
—m+—t-—t+—m14n2+8mn-5n2+8
4848
1
—mn+6y+7mn2mn+18x2y-20mn-21mn
8
9b+4b+2b5t+3e-3t+7e
4m+8d+5m+11d+10m-14d5xy-7xy-18xy-xy
20a2b+2b2c-30a2b+3b2c9m+8m2-2m+6m2+8
1175
—z-—y+—y+—z19x2+3mn+3x2+6
5858
5
—mn-7z+4mn9xy-11x2y-20xy-13xy
6
4c+3c+3c2n+7f-2n+10f
6b-9c-16b+8c-11b+13c5mn-20mn+19mn+mn
3a2b+7b2c-28a2b-6b2c7m+8m2-2m-5m2-9
1175
—m+—t-—t+—m8m2-9xy-4m2+7
5858
1
—ab-9m-8ab8xy+13x2y+5xy+19xy
2
3c-5c-2c7y-5d+6y-4d
3a+5d+20a+13d-13a+20d5mn-3mn-18mn+mn
21x2y-9b2c-4x2y-6b2c9t-9t2-4t+5t2-6
1175
—x-—y-—y-—x20z2+9xy-3z2-3
3838
6
—ab+2m+2ab3ab+12x2y-11ab-23ab
5
5f+9f-3f6m-7d-5m-4d
5m-7n-13m-8n-15m-16n6xy+19xy-18xy+xy
15a2b+2y2z-6a2b-6y2z7m+5m2+4m+10m2+9
3675
—m-—n-—n-—m18t2+6ab-8t2+8
2727
9
—xy-4m+5xy7mn+13a2b+9mn+21mn
8
6a-3a-5a3t+4c-6t+6c
7m+9n+3m+18n-18m+16n5pq+18pq-16pq+pq
15a2b-5b2c-22a2b-6b2c9y-3y2+5y+7y2+2
4175
—x+—n+—n+—x8n2+4ab-8n2-5
5858
3
—pq-8m+8pq5xy-12x2y+15xy+6xy
4
5a-9a+9a2t+3d+9t-3d
2a+3n+5a+4n+11a-19n6pq+20pq+17pq+pq
10x2y-3b2c+19x2y-2b2c8n+7n2+8n-2n2+2
1175
—z-—n+—n-—z20n2-3xy-2n2+6
2727
6
—xy-6y+5xy3xy+2a2b+8xy-26xy
7
2b+9b-4b10x+2c+9x-2c
4b+9c-18b-9c-19b-10c3pq-14pq+10pq-pq
17a2b-3y2z-20a2b+2y2z9z-7z2+7z-5z2-7
1775
—z+—y+—y-—z4n2+4pq+7n2-6
4646
1
—ab-2z+6ab4xy+4a2b-7xy+8xy
7
2c+7c-9c6z-5c-4z-9c
5a+5d-17a-11d-17a+11d7pq-9pq-18pq+pq
21a2b+6b2c+7a2b+8b2c6n-8n2+2n-18n2-5
3775
—x+—n-—n-—x14x2-3pq+6x2+3
4848
4
—ab+4z-9ab7mn+12a2b-14mn-20mn
3
4d+2d-8d4z+2c-2z-4c
2a-7d-19a+6d+17a+17d2pq-20pq-15pq-pq
10a2b+2b2c+20a2b+3b2c2m+3m2-5m+18m2+3
1175
—z-—t+—t-—z6z2-4pq+8z2-6
4747
1
—xy+4y+5xy5mn-18x2y+12mn-25mn
6
9e-5e+5e4z-9e-2z-7e
3b+2d+12b+17d-10b-19d3xy-16xy-13xy+xy
17a2b+4y2z-30a2b+3y2z6y+7y2-8y+13y2-6
6775
—x-—y+—y+—x14z2+8pq+5z2-6
5656
1
—ab+3t+6ab4ab-17a2b+13ab-9ab
6
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- 初一 数学 上册 合并 同类项 专项 练习题 67
