初一数学上册合并同类项专项练习题24.docx
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初一数学上册合并同类项专项练习题24.docx
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初一数学上册合并同类项专项练习题24
8a-9a+9a8n-3d-7n-9d
7m-6n+6m-18n+15m-17n8mn-18mn+11mn+mn
30x2y-6b2c+15x2y+8b2c3x-9x2+4x-18x2+6
1175
—x-—t+—t+—x9x2-9mn-6x2+3
2626
6
—pq+2m+6pq8xy-14a2b+4xy-13xy
5
3a-4a+8a2x-5a+8x-5a
6a+2d-4a+11d+15a-10d9ab-11ab-20ab+ab
28x2y+6y2z-5x2y+2y2z8m-4m2+4m+6m2+6
1175
—x+—t-—t-—x5m2-3pq+2m2+4
4646
1
—ab+3y-8ab4mn-19a2b+13mn-10mn
5
7e-7e-2e6n+2a+3n-7a
9a-3n+15a-9n+15a+10n8pq-13pq+19pq+pq
25x2y-2y2z+24x2y-6y2z3m+3m2-6m+15m2+8
3175
—x+—t-—t-—x17x2-9ab+8x2-9
2828
5
—pq+2y-5pq3mn-4a2b-8mn-23mn
4
3c-9c+6c2y-7a-7y+5a
6b+7c-7b+16c-14b-15c9ab-17ab+14ab+ab
15a2b+4y2z+13a2b+4y2z6x+5x2+3x-16x2-3
1575
—m+—y+—y-—m7t2-5mn-2t2+7
2626
1
—pq+8n-3pq2ab+4a2b+11ab-30ab
3
4f+3f+6f8y+5f+7y-8f
3m-2d+4m+14d-14m+10d7ab-11ab+14ab+ab
25x2y-8y2z+8x2y-7y2z2z+7z2-9z+16z2+8
1175
—m-—n-—n-—m18z2+2mn+8z2-9
2828
1
—mn-6m+4mn3mn-8x2y+2mn-19mn
3
5c-8c+5c10m-5f-8m+4f
7a-8n+3a-12n-11a+11n3ab+13ab-10ab-ab
23a2b-8y2z-21a2b+8y2z8y-8y2+5y-10y2+2
4175
—m-—y-—y+—m3t2-4pq-7t2-9
3636
1
—ab-7y-5ab3mn+4a2b+7mn+6mn
8
6d-5d-9d10m-9b+6m+8b
6b-6n-19b+14n-16b+19n9mn-13mn+19mn+mn
19a2b-2b2c-8a2b+7b2c3y-8y2-7y+12y2+9
1175
—z+—y-—y-—z12z2-8ab-9z2+3
4646
7
—pq-7t-3pq3xy-20a2b+8xy-3xy
6
2d-4d-9d3t+9a+3t+6a
7b+5n+18b-3n+11b-16n7pq+14pq+17pq+pq
28a2b+9y2z+22a2b+7y2z3n+2n2+2n+2n2-7
4575
—z+—n+—n-—z20t2+7mn-2t2+2
3636
1
—xy+3m-8xy6xy+12x2y+17xy+29xy
8
2e+9e+6e4x-7f+8x-2f
5m+5n+20m+14n+17m+14n5xy+14xy+17xy+xy
30x2y+5y2z+26x2y-6y2z4m+4m2+5m+8m2-1
6175
—x+—t-—t+—x17t2-5mn-4t2+2
5757
1
—xy-2x-2xy9mn-8x2y+5mn+26mn
2
4b-9b-4b9z+7a+8z-10a
4m-4d+13m+15d-18m+19d5ab-17ab-10ab-ab
27a2b-4b2c+26a2b+7b2c6m+8m2+5m-6m2+2
4575
—z-—n-—n+—z9x2+4pq+4x2-8
3636
1
—mn-9t-3mn4mn+13a2b+9mn-27mn
4
7e-3e+9e9z-9a-4z+6a
4a-4c+20a+18c+17a-11c3ab+3ab+11ab-ab
19a2b+4y2z+30a2b+5y2z9y-2y2+7y+20y2+8
4175
—x+—y-—y+—x15t2+7pq+5t2-7
3636
2
—mn+3x+9mn9xy+10x2y+13xy+18xy
3
6c-6c+8c7x-7a+7x+2a
9b-9n-3b-20n-15b+11n7xy-2xy-11xy-xy
11a2b+4b2c+18a2b-7b2c5m-6m2+5m-13m2-2
1175
—z+—t-—t+—z15z2+5pq+3z2-6
4848
1
—ab+3y+7ab8pq-7x2y+15pq+7pq
4
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- 初一 数学 上册 合并 同类项 专项 练习题 24
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