初一数学上册合并同类项专项练习题5

2019-08-30 17:05

初一数学上册合并同类项专项练习题

5a-2a-7a

7y-6b-5y-4b

8a+4c+15a+20c-13a+18c

6xy-15xy+11xy+xy

6x2y+5b2c-9x2y+6b2c

7x+9x2-7x+10x2-2

4 7 7 5 —z-—y-—y+—z 5 6 5 6

10m2-3ab+5m2-4

1 —ab-9n-3ab 2

3xy+10a2b+16xy-26xy

6b+9b-6b

4n-2c-3n-5c

初一数学上册合并同类项专项练习题

2m+3n-15m-10n+14m+13n

9ab-17ab-10ab-ab

29a2b+2b2c-3a2b-3b2c

8t-9t2-3t+3t2+2

1 9 7 5 —m+—n-—n-—m 2 8 2 8

15t2+4pq-3t2+6

1 —xy-2z-3xy 8

5pq+11x2y+17pq+11pq

3d+3d-5d

6t-6c-6t+2c

2a+5c+20a-7c-15a+13c

8pq+11pq+14pq+pq

初一数学上册合并同类项专项练习题

15x2y+5b2c-4x2y-6b2c

2x-9x2-7x-11x2+9

3 6 7 5 —x+—y-—y-—x 4 7 4 7

16z2+6pq+2z2-5

1

—ab+3m+2ab 7

2xy-13x2y+18xy-12xy

4c+4c-2c

5y+9b+7y-6b

7a+4d+19a-8d+20a-20d

7mn-4mn-18mn-mn

15a2b-3y2z+21a2b-7y2z

2x-5x2+7x-14x2+1

初一数学上册合并同类项专项练习题

4 7 7 5 —z-—y-—y-—z 3 6 3 6

6m2+6pq+8m2+8

4 —ab-3x+5ab 3

7xy+9a2b-6xy+7xy

7f+8f-3f

4y-4c+8y+6c

2a+5d+12a+20d-18a+10d

3xy-2xy+14xy-xy

29a2b+9b2c-2a2b+7b2c

9n+2n2+2n-16n2+8

1 7 7 5 —x-—n+—n-—x 2 8 2 8

5t2-5xy+3t2-2

初一数学上册合并同类项专项练习题

3 —xy+9z-8xy 2

8ab-18x2y-7ab-13ab

9c+4c+9c

7y-8e+7y-8e

2a-2c+18a-3c-19a-11c

8xy-2xy-16xy+xy

5a2b+5b2c-17a2b+2b2c

6m-6m2+7m+4m2-7

4 8 7 5 —z-—t+—t-—z 3 7 3 7

14m2-9xy-9m2+5

1 —ab+4t+6ab 5

4mn-9x2y+2mn+30mn


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