初一数学上册合并同类项专项练习题58.docx
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初一数学上册合并同类项专项练习题58.docx
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初一数学上册合并同类项专项练习题58
3f+5f-7f5n-5a-8n+6a
6a-7d-9a+18d-14a-17d7pq-10pq-10pq+pq
23a2b-9y2z-29a2b-5y2z2t-2t2-3t-12t2+8
1175
—z+—y-—y+—z14z2-9xy+6z2-8
3737
1
—pq-3z+4pq9pq-5x2y+2pq-5pq
5
9e-6e+2e2z-3b-4z+8b
7b-3c+20b-16c+10b-10c7pq-13pq+14pq+pq
27x2y+3b2c-17x2y-6b2c3m-6m2+3m+17m2-8
3175
—m+—n+—n-—m8z2+5ab+8z2-4
2727
1
—xy+4y-3xy6xy+11x2y+2xy-21xy
8
5c+6c+5c6x-4c-5x+10c
8m+3d+14m+13d-10m-20d9pq-16pq+19pq+pq
29a2b+7b2c+22a2b+5b2c8m+9m2-5m+6m2+1
1675
—m-—n+—n-—m10t2-4xy-4t2+4
2727
1
—ab+2x-7ab3ab-6x2y-20ab-25ab
8
9f-2f-9f10y+4a+6y+9a
7b+9d-14b-6d+12b-20d6pq+16pq+14pq+pq
26x2y+7y2z-3x2y-7y2z4n-4n2+7n+20n2-8
5175
—m+—n+—n+—m17m2-6mn+7m2-1
4848
9
—pq+6z-3pq6pq+2a2b+16pq-19pq
8
9d+8d-7d9y-6a-4y+8a
6a-2d-14a-2d-15a-18d8pq-2pq-16pq+pq
7a2b+8y2z-10a2b-4y2z4y+6y2+6y+13y2-5
1175
—z+—y+—y+—z6m2+5pq+4m2+2
2727
1
—ab+7y-2ab9pq+20a2b-4pq-10pq
3
6d-3d+9d10x-9a+5x-10a
7a-6d-20a+10d-16a+17d5ab-3ab+20ab+ab
17x2y-2y2z+5x2y-6y2z6x-2x2-7x-7x2+6
2175
—z+—y-—y-—z20n2-4xy+8n2-1
3838
4
—xy-4y-4xy7mn+5x2y-2mn-2mn
5
9c-2c+8c5m-4a+4m+3a
6b-4c-19b+14c-11b-17c3pq-11pq+11pq+pq
17x2y-4b2c+2x2y+2b2c9y-6y2-6y-6y2-3
1575
—z+—n+—n-—z13m2-2ab+7m2-9
4646
4
—mn-5t+5mn6ab-10a2b+19ab-3ab
5
8b+5b-8b7n-2c-7n+4c
4m+8n-20m+19n-18m-16n4pq+8pq-10pq+pq
29x2y-3b2c+15x2y+5b2c9x+8x2-8x+8x2-8
3175
—z-—y+—y+—z20t2-6pq+7t2+3
4646
6
—mn+5x+7mn4pq-2x2y-4pq-20pq
5
3f-3f-8f7t+7a-8t-7a
3a+3n+4a-13n+14a+11n4pq+3pq-14pq+pq
6a2b-5y2z+28a2b+8y2z8t-2t2+6t+9t2-4
6775
—x-—t-—t-—x7y2-9pq+2y2-8
5656
1
—xy+8n+5xy6xy-11a2b+18xy-14xy
2
3f-5f+5f6y+2e-3y-2e
3a-8d+9a-4d+14a+19d5mn-16mn-12mn+mn
13x2y+2b2c+14x2y-5b2c6m+9m2+7m-9m2+8
1575
—x-—t-—t-—x12m2+7pq-9m2-7
2626
7
—ab+9x+6ab2pq-8x2y+14pq+12pq
8
9e-2e+6e8t+7f+5t-8f
9m-2d+6m-19d+17m+12d5xy+18xy+11xy+xy
3a2b-2y2z+19a2b-2y2z8m-2m2+9m-8m2-8
4875
—z+—y+—y-—z4m2+4xy+2m2-5
3737
3
—ab+4n-8ab7ab+6a2b-3ab+5ab
2
4b+8b-9b10t+3e-8t-7e
5b+5d-5b+13d+12b-13d8pq-20pq-17pq+pq
15a2b-2y2z-23a2b+8y2z2m+5m2-9m-6m2+3
6175
—m-—y-—y-—m17n2+5xy-3n2-5
5757
1
—mn-5y+2mn8pq-15a2b+10pq+2pq
2
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- 初一 数学 上册 合并 同类项 专项 练习题 58