合并同类项综合练习题102.docx

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合并同类项综合练习题102.docx

合并同类项综合练习题102

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6a-7d-4a-19d-14a+13d7xy+11xy+10xy+xy

27x2y+9y2z-3x2y+5y2z9y-6y2+9y-20y2+6

1975

—x+—n+—n-—x11y2+9pq-9y2-3

2828

1

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3b+5b+4b5y+8d-5y+9d

4a+7d+11a+9d+14a-10d4xy+9xy+20xy-xy

27a2b+4y2z-21a2b-4y2z6z-5z2-5z-10z2-7

1175

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4848

3

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2

7d-6d+3d9n+6c+9n+4c

8b+6n-4b-9n-14b-12n4ab+16ab+15ab-ab

13x2y-5b2c+2x2y+9b2c2z-9z2+5z-14z2-1

6175

—x-—t-—t-—x6n2-3xy+8n2+7

5858

1

—ab+5n-2ab4xy-16x2y+9xy-16xy

5

8c-9c-4c4z-9b-7z+6b

8a+3d+5a-19d+15a-20d9pq+9pq+16pq-pq

16a2b-4y2z+26a2b-3y2z4x+6x2-3x+3x2-5

3575

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4646

7

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8

2b-2b-7b5n-3a+2n+8a

7a-6n-14a+4n-19a+10n2xy-8xy-12xy-xy

21a2b-2b2c+8a2b-7b2c5x+8x2+9x+16x2+8

1775

—m+—n+—n+—m2x2-2ab-3x2-6

4848

1

—mn-6x+5mn8mn-13a2b+13mn+27mn

8

4f+5f+3f8z-2f-4z+6f

7m+3n-20m+13n+12m-13n6pq-3pq+20pq-pq

19x2y-9y2z+5x2y+7y2z2y+5y2-7y-13y2-7

5175

—z+—n-—n+—z15y2-5xy-4y2-2

4747

1

—xy-3x-7xy8ab-11a2b-9ab-29ab

4

4c-6c-2c8n+5e-8n+5e

9a+7c+11a-18c-20a+16c9ab+19ab-15ab-ab

5a2b+7b2c+21a2b+4b2c6y+7y2+9y+14y2+9

1775

—m-—y+—y+—m5t2+7pq+2t2-7

5858

6

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5

3a-6a+4a5y+2d+7y+9d

9b-7d-2b-13d+17b-12d9mn+6mn+16mn+mn

21a2b+4b2c+16a2b-2b2c4z-2z2+3z-13z2-4

6775

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5656

9

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8

6f+8f+8f4t-4f+6t-7f

3a+7d-9a-3d+18a+11d9mn-17mn+19mn-mn

3a2b-4b2c-21a2b+5b2c4x-9x2+2x-17x2-6

1175

—x-—y+—y+—x18n2-6ab-4n2-7

4848

7

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6

4f-9f-3f8t-3f+8t-4f

7a-7d-11a+16d-13a+18d2xy+3xy+18xy+xy

10x2y+3b2c+8x2y+2b2c8t+5t2+4t+5t2+7

3775

—x+—y-—y+—x2t2+2pq-4t2-5

2626

5

—ab-3m+3ab4pq+4a2b+20pq+19pq

4

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