初一数学上册合并同类项专项练习题48.docx
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初一数学上册合并同类项专项练习题48.docx
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初一数学上册合并同类项专项练习题48
6f-9f-6f5z+7f-2z-10f
6b+4d-19b+5d+19b+10d9ab-4ab-10ab+ab
29x2y-5b2c-10x2y+8b2c3y+3y2+2y-12y2-1
5175
—x-—n-—n+—x11y2+6xy+8y2-9
4646
7
—xy-3m+4xy7ab+18x2y+19ab+26ab
8
7e-6e+8e10y-2a-7y-7a
3a-9d-15a-18d+15a+19d7pq+6pq+15pq+pq
23x2y-3b2c-28x2y-6b2c7n+5n2-6n-2n2-4
1775
—z-—n-—n+—z8n2+5pq-4n2+5
3838
4
—xy+9t-5xy3pq+18a2b-17pq+18pq
3
2c-5c+3c2y+6f-9y+10f
2a+9n+12a-7n+16a-17n6ab+13ab+19ab+ab
22x2y-5b2c-29x2y-2b2c4z-6z2+8z+19z2-1
4175
—z-—y-—y-—z4z2+6pq-6z2-3
3737
1
—ab-3n-6ab3mn+5x2y-5mn-28mn
8
6f-5f-9f5z-5b+5z+8b
6a-8c+17a+18c-15a+13c3xy-18xy-20xy-xy
17x2y+3y2z-24x2y-6y2z9t+5t2+4t+15t2-7
1975
—z-—t+—t+—z16n2-7xy+3n2-4
3838
8
—xy+5m-8xy6ab+14a2b+18ab+13ab
7
8a-6a+7a7m+6c+4m+3c
7a-6d-12a-4d-11a+11d5pq-17pq+13pq+pq
27x2y-2y2z+30x2y+3y2z3m+7m2-4m+6m2-2
1175
—x-—y-—y-—x12z2+7mn+2z2+5
2626
1
—xy-9y+9xy8xy-5x2y+12xy-17xy
5
6d-6d-7d4z+4c+9z-9c
4m+2d+17m+18d+20m+12d9pq+15pq-16pq-pq
30x2y+9y2z+23x2y+9y2z6x-8x2-4x-13x2-8
1175
—z-—t+—t-—z17m2+5ab-8m2-9
3737
1
—pq-4x-8pq9ab+11x2y+9ab-23ab
4
5b+3b-2b10z-9a-2z+10a
2a-8d-6a-15d+12a+11d5ab+18ab-20ab+ab
15a2b+9y2z-22a2b+5y2z7z-7z2-4z+6z2-6
1975
—x+—n-—n+—x2n2-4xy-3n2+9
5858
1
—ab+9m+6ab9mn+8x2y-10mn+8mn
6
9f+9f+8f10y+7d+3y-3d
2b+7d+3b+19d+12b-14d4xy-6xy-19xy-xy
28x2y-3y2z-27x2y-8y2z8m+8m2-4m+2m2-8
1575
—z+—n+—n+—z19y2-2pq+4y2+2
4646
1
—mn+8y-4mn3ab+5a2b+5ab-17ab
8
3f-3f+9f9z+3d+6z+10d
8b-3c+6b-10c-14b+16c2ab-2ab-14ab-ab
20x2y+2b2c+29x2y+5b2c5x-8x2-3x+17x2+9
1175
—x-—y+—y+—x19x2-4mn+4x2+9
2727
7
—mn-9t+6mn3pq+11x2y+17pq-16pq
8
6f+5f-2f8z-2e-3z+6e
5m-8c-9m+16c+20m+11c5ab-16ab-14ab-ab
5a2b-9b2c+15a2b+5b2c8n+4n2+5n+8n2-5
3175
—m+—y+—y+—m19t2-5pq-3t2-1
2626
1
—mn+7n-7mn2pq+8a2b-6pq-20pq
6
6b+4b-6b8m-7f-7m+7f
7m-9d+8m+16d-12m+19d3ab-8ab-20ab+ab
25x2y-5y2z+7x2y-9y2z2n+2n2-4n-6n2+5
1175
—m+—y+—y+—m9x2-4ab-3x2+3
2727
2
—xy-7n+9xy8xy+9x2y-16xy+15xy
3
6a-9a+2a8t-8c-3t-6c
2a-9d-12a-2d+14a+20d5pq-7pq-15pq+pq
18x2y-7b2c+4x2y-3b2c4m+8m2+7m+3m2+6
1975
—m+—n-—n-—m8t2-8ab+3t2+7
3838
1
—ab+5m-7ab3ab+12a2b-6ab+18ab
2
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- 初一 数学 上册 合并 同类项 专项 练习题 48