合并同类项综合练习题152.docx

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合并同类项综合练习题152.docx

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合并同类项综合练习题152.docx

合并同类项综合练习题152

5b-2b+5b7y+2d-6y+2d

2a+8c-14a-12c-20a+20c5mn+4mn+14mn+mn

22x2y-7b2c+17x2y+5b2c2z+8z2-2z+10z2-5

1675

—m+—t-—t+—m19x2-7ab-6x2-8

5757

7

—xy+7y-2xy7mn-8x2y+11mn-27mn

8

4e-5e-4e10z-5b+2z+5b

5a-3c-17a+20c-14a-17c8ab-3ab-19ab-ab

21x2y+7y2z+15x2y+7y2z8x+4x2-7x+15x2-7

2775

—m+—n+—n-—m13m2-8ab+4m2+3

3636

6

—ab+5y-4ab5mn-13x2y-9mn+19mn

7

8f+6f+9f2n-4b+6n+9b

7a+8d+8a-8d-15a-14d8mn+3mn+16mn-mn

22a2b+5b2c+21a2b+6b2c8z-6z2-2z-15z2+9

3775

—z-—y-—y+—z11z2+4ab-2z2+1

2626

9

—ab-9y+7ab7xy+20x2y-10xy-18xy

8

4a+7a-9a10z+3c-8z+9c

7a+4d+7a-19d+18a-12d3xy-7xy-11xy+xy

12a2b-7y2z+11a2b-2y2z8z+2z2-3z-13z2+4

1675

—x+—y+—y-—x16y2+2xy+3y2-4

2727

1

—pq-4y+8pq3pq-6a2b+12pq+4pq

2

5a+8a+9a10n-6c-9n+3c

8a-6d+12a+19d-15a+18d9mn-13mn+18mn+mn

13a2b+6b2c-4a2b-4b2c7m+7m2-8m-8m2-9

1675

—x-—y-—y+—x6y2-3ab+2y2+3

5757

5

—ab+4n-2ab6mn-10a2b-8mn-26mn

4

6b-2b+2b5m+5d-3m-8d

5a+9d+17a+16d-16a+16d7ab-11ab-16ab-ab

5x2y+5y2z+30x2y+2y2z5t+8t2-2t+5t2+4

2675

—z+—n-—n-—z4m2-8pq+4m2+8

3737

1

—pq+4m+2pq7pq-18x2y+14pq-26pq

4

9c-3c-6c2y-8a+6y-6a

9m+7n+11m+6n-14m+13n2mn+18mn-19mn-mn

20x2y+7y2z-18x2y+9y2z4n-3n2-8n+20n2-9

1775

—m+—n+—n-—m11z2+2mn+8z2+4

2828

1

—mn-6x-3mn5xy+14a2b+11xy+18xy

2

3f+5f+9f4n+3a-6n-3a

6b+6d+9b+2d+12b+13d3xy-12xy-12xy-xy

19x2y+6y2z-4x2y-7y2z6x-8x2-3x+11x2-3

1175

—m-—y+—y-—m18n2+2mn+5n2+5

2626

6

—xy+9y+2xy2mn+15x2y+13mn+26mn

7

4b-8b-9b2t-6c+5t+7c

7b+4d+20b-16d-18b+14d9pq-14pq+10pq-pq

23x2y+5y2z+20x2y+3y2z8m-6m2+3m-14m2-9

4675

—z+—y+—y+—z3z2-6mn+4z2+7

3737

1

—ab+3y-3ab8mn+9a2b+3mn-9mn

2

3b+2b-5b10x-9f-3x+9f

6b+7c+13b+11c-19b-13c7mn+10mn+17mn+mn

9x2y-8b2c+27x2y+3b2c3y-8y2-6y+20y2+3

4175

—z+—n-—n-—z6n2+6ab-8n2-3

5858

9

—xy+4y+8xy3xy+4x2y-9xy+22xy

8

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