初一数学上册合并同类项专项练习题53.docx
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初一数学上册合并同类项专项练习题53.docx
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初一数学上册合并同类项专项练习题53
2c+6c+4c6y-4a+7y-6a
9a-7n-3a+3n-12a+19n4xy+4xy-18xy-xy
22x2y-7y2z-11x2y+2y2z4y+3y2+2y+9y2-3
1775
—m-—n-—n-—m6n2-2mn-4n2-8
5858
1
—ab+8y+6ab9mn+4a2b+13mn+8mn
8
4c+3c+8c6m+7a+9m-8a
9m+8c+9m-17c-11m+17c4mn+18mn+18mn-mn
20a2b-5b2c+19a2b-4b2c6m+8m2+9m+7m2-9
1175
—m+—t-—t+—m2z2-5ab+8z2-1
2828
1
—pq-5m-8pq7ab-4a2b-13ab-20ab
5
6c-8c-6c3n-7b-9n-9b
9a-5c-2a+10c+16a-13c9mn+18mn-19mn-mn
8x2y-6b2c+14x2y+2b2c3t-9t2-8t-20t2-7
5775
—x-—t-—t-—x13n2-2ab+6n2-6
4848
1
—ab+8t-8ab7ab+6x2y-15ab+8ab
7
3b+4b+2b7y+7a+4y-10a
5a-2d+14a-16d+15a+13d6mn+2mn-16mn+mn
5x2y-7b2c+20x2y-2b2c2z+2z2+9z-18z2+2
4175
—z-—n+—n+—z15m2+3xy-3m2-8
5656
1
—pq+3m-8pq2pq-2a2b-7pq+24pq
2
4f-9f-5f3z-9d+2z+5d
3m+6n+6m-18n-14m+18n7pq-20pq-14pq+pq
18x2y+2b2c+7x2y-3b2c4m+4m2+9m-9m2-7
6175
—x+—n-—n+—x4x2-3xy+5x2+7
5757
1
—ab-8x-4ab3mn+11x2y+9mn-29mn
8
6f-6f+8f2m+3f-2m-10f
2m-6n+9m-12n+17m-15n5ab-7ab+12ab-ab
21a2b-3b2c-6a2b+2b2c5m+4m2-3m+20m2+5
3775
—z+—n-—n-—z7x2+8ab-3x2-9
4646
8
—mn+5z-6mn8pq+4a2b-13pq+22pq
7
4d+4d-9d10n+2e-2n+9e
5a+9d+6a-9d-15a+17d7pq+6pq+13pq-pq
18a2b+6y2z+18a2b+9y2z4n-7n2-2n-18n2-4
6775
—z-—t+—t+—z5z2-6pq+7z2+8
5858
1
—mn+2n-6mn8ab-5a2b-10ab-9ab
3
4b-6b-8b7t-5c-6t+4c
7a-6d+19a-5d-18a-19d2ab+3ab+17ab-ab
16a2b+6y2z+3a2b+7y2z5m+3m2+4m+11m2+9
3875
—z+—n-—n-—z10z2+5pq+8z2-7
2727
5
—xy-2z-4xy4pq-16a2b+12pq+24pq
4
5c-7c-9c2y+7b-6y-7b
4b+2n+11b+20n-14b-16n9pq-12pq-14pq+pq
19x2y+5y2z+26x2y-8y2z3y+7y2+3y-18y2+1
1775
—x-—n-—n+—x4n2-2pq+2n2-8
3636
1
—ab+6t+7ab8mn-7x2y-3mn+15mn
7
2b+2b+4b7t-2e-6t+9e
7m-3n+12m-4n+13m-14n9mn+3mn-17mn-mn
25a2b-2b2c-30a2b-4b2c7x-8x2+3x+4x2+5
3175
—m+—y-—y+—m13z2+4pq-7z2+5
4646
1
—pq+8z+7pq5pq+5x2y+4pq-27pq
7
9c+5c-8c5z-8a-5z+5a
2b+8d-7b+16d-10b+17d2pq-17pq+14pq-pq
23a2b+7y2z-2a2b-8y2z7x-9x2-4x+17x2-4
2775
—m-—n+—n+—m7x2-5mn+4x2-6
3838
1
—xy-8m-3xy9mn-3x2y+19mn+10mn
7
5a+4a-8a9m-5d-6m-6d
7m-2d-8m-3d-19m+20d3ab-17ab-19ab+ab
23x2y-9y2z+15x2y+2y2z4t+7t2+4t-20t2-8
1175
—m-—n+—n+—m10z2+8ab+7z2+3
4747
1
—mn-6m+4mn4pq+16a2b+3pq-17pq
7
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- 初一 数学 上册 合并 同类项 专项 练习题 53
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