初一数学上册合并同类项专项练习题37.docx

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初一数学上册合并同类项专项练习题37.docx

初一数学上册合并同类项专项练习题37

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26x2y-7y2z-11x2y+8y2z3z+5z2-7z-11z2-2

1875

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5757

1

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8

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1975

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2828

1

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2

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30x2y-7b2c+12x2y-7b2c8z-9z2+9z-19z2-7

4775

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3838

1

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8

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1975

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2828

4

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5

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17a2b+5y2z+7a2b+9y2z2t-9t2+6t-12t2+4

5875

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4747

7

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6

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3875

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2727

1

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8

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1175

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3838

7

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8

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1675

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1775

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2828

6

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6775

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5656

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1675

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5757

6

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7

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1575

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4646

5

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6

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