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初一数学上册合并同类项专项练习题20

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2024年2月22日发(作者:法烨磊)

初一数学上册合并同类项专项练习题

6e+3e+7e

3z+5f+9z-4f

2a+2c-16a+10c+10a-11c

3xy+7xy-14xy-xy

16a2b+3y2z+20a2b-2y2z

6y-9y2-8y-6y2-3

2 7 7 5

—x-—n+—n-—x

3 6 3 6

18n2+6mn+7n2-9

5

—pq-5y+9pq

6

4ab+9a2b-14ab+7ab

6c-4c-4c

3m+8e+9m+4e

初一数学上册合并同类项专项练习题

9a-8d+14a+3d-19a-12d

3ab-5ab-20ab-ab

7x2y-9y2z+18x2y-2y2z

8t-3t2+7t+12t2-3

3 1 7 5

—x-—t+—t-—x

2 7 2 7

2x2+9xy+2x2+4

1

—ab-8x-4ab

2

4pq+8a2b+15pq-29pq

7c-3c+9c

4t-6e-2t-2e

8a+4c+13a-7c+15a+13c

7xy-10xy-13xy+xy

初一数学上册合并同类项专项练习题

28a2b+3b2c-4a2b+3b2c

4y+3y2+7y-10y2+1

4 6 7 5

—x+—n-—n-—x

5 7 5 7

15t2-8ab-4t2-1

1

—ab-7t+3ab

4

5pq+3a2b-18pq-3pq

9e-5e-3e

6z-9f+9z+5f

8a-7d-9a+12d+11a+15d

7ab-17ab-16ab+ab

18x2y+5b2c+17x2y-6b2c

8n+5n2+7n+5n2+5

初一数学上册合并同类项专项练习题

1 1 7 5

—m-—y-—y+—m

5 8 5 8

17x2+9ab-6x2+7

3

—pq-3t-2pq

2

4pq+16x2y-11pq+2pq

7a+4a-6a

7n+7c-8n-4c

8b+7n-13b-3n+16b-18n

8xy-14xy-13xy-xy

4x2y+9b2c-27x2y-7b2c

8y-4y2-7y+18y2+4

1 1 7 5

—m+—y+—y-—m

3 6 3 6

13x2-9ab+3x2+9

初一数学上册合并同类项专项练习题

1

—pq+4z+7pq

5

5mn-18x2y-9mn+5mn

6f-9f+4f

8z-4b-7z-4b

5m-2d+20m+19d+15m+13d

3ab+10ab+13ab+ab

11a2b+5y2z+6a2b+7y2z

7y-6y2+9y-2y2+7

5 1 7 5

—m+—n+—n+—m

4 7 4 7

8t2-7ab-7t2-1

1

—pq-9n+3pq

6

7mn+20x2y+16mn-26mn

初一数学上册合并同类项专项练习题

6c+2c-2c

3z+8b+9z+7b

9a+4d-4a-11d-16a-16d

8pq+17pq+18pq+pq

25a2b-8y2z+20a2b+8y2z

7m+9m2-6m+14m2-8

1 7 7 5

—m-—t+—t+—m

3 6 3 6

6n2-8pq-8n2-5

6

—xy+6y+5xy

7

3mn-7a2b-4mn+25mn

6a-3a-6a

8x+3f+6x-7f

初一数学上册合并同类项专项练习题

6m+3d+5m+16d+19m+16d

2mn+10mn-20mn+mn

23a2b-8b2c+6a2b+9b2c

4z+4z2-9z+6z2+3

3 1 7 5

—z+—n+—n+—z

2 7 2 7

6x2+4xy-3x2+1

5

—pq+9y+9pq

4

7mn-2x2y+9mn-12mn

3f+3f-2f

4y-6a+2y-2a

3b+8d-17b-10d+20b-19d

8xy-14xy-15xy+xy

初一数学上册合并同类项专项练习题

24x2y+5y2z+24x2y+7y2z

4x-7x2+3x-15x2+3

2 1 7 5

—x+—n+—n-—x

3 7 3 7

16t2-5pq-5t2-3

1

—xy-4m+9xy

5

4mn-15x2y-14mn-8mn

9e-7e+6e

7t-8c-8t+3c

7b+7d-14b-10d+11b-10d

8xy-20xy-13xy-xy

26a2b+4b2c+13a2b+3b2c

4x-6x2+9x-14x2-3

初一数学上册合并同类项专项练习题

1 1 7 5

—m+—y+—y+—m

2 8 2 8

4x2-6pq-7x2-4

1

—pq-4t+4pq

6

6pq-20x2y+11pq-10pq

3f-3f+7f

6z+2d-6z-3d

7a+5n-4a+8n+14a-18n

2pq-18pq-10pq-pq

13a2b+4b2c+28a2b+3b2c

2z+3z2+3z+18z2+4

5 1 7 5

—z+—n-—n-—z

4 7 4 7

14z2-3ab+5z2+9

初一数学上册合并同类项专项练习题

1

—ab-8y+2ab

6

7xy+18x2y-6xy-7xy

6a+9a-9a

3m+3a-5m+2a

6b-2n-20b+8n+16b+17n

9pq-18pq-17pq-pq

12a2b-5y2z-6a2b+6y2z

3x+4x2+8x-8x2+6

1 7 7 5

—z+—y+—y-—z

4 8 4 8

15m2-7ab-9m2-6

1

—ab+6m+9ab

3

3mn-8x2y-9mn-21mn

初一数学上册合并同类项专项练习题

2024年2月22日发(作者:法烨磊)

初一数学上册合并同类项专项练习题

6e+3e+7e

3z+5f+9z-4f

2a+2c-16a+10c+10a-11c

3xy+7xy-14xy-xy

16a2b+3y2z+20a2b-2y2z

6y-9y2-8y-6y2-3

2 7 7 5

—x-—n+—n-—x

3 6 3 6

18n2+6mn+7n2-9

5

—pq-5y+9pq

6

4ab+9a2b-14ab+7ab

6c-4c-4c

3m+8e+9m+4e

初一数学上册合并同类项专项练习题

9a-8d+14a+3d-19a-12d

3ab-5ab-20ab-ab

7x2y-9y2z+18x2y-2y2z

8t-3t2+7t+12t2-3

3 1 7 5

—x-—t+—t-—x

2 7 2 7

2x2+9xy+2x2+4

1

—ab-8x-4ab

2

4pq+8a2b+15pq-29pq

7c-3c+9c

4t-6e-2t-2e

8a+4c+13a-7c+15a+13c

7xy-10xy-13xy+xy

初一数学上册合并同类项专项练习题

28a2b+3b2c-4a2b+3b2c

4y+3y2+7y-10y2+1

4 6 7 5

—x+—n-—n-—x

5 7 5 7

15t2-8ab-4t2-1

1

—ab-7t+3ab

4

5pq+3a2b-18pq-3pq

9e-5e-3e

6z-9f+9z+5f

8a-7d-9a+12d+11a+15d

7ab-17ab-16ab+ab

18x2y+5b2c+17x2y-6b2c

8n+5n2+7n+5n2+5

初一数学上册合并同类项专项练习题

1 1 7 5

—m-—y-—y+—m

5 8 5 8

17x2+9ab-6x2+7

3

—pq-3t-2pq

2

4pq+16x2y-11pq+2pq

7a+4a-6a

7n+7c-8n-4c

8b+7n-13b-3n+16b-18n

8xy-14xy-13xy-xy

4x2y+9b2c-27x2y-7b2c

8y-4y2-7y+18y2+4

1 1 7 5

—m+—y+—y-—m

3 6 3 6

13x2-9ab+3x2+9

初一数学上册合并同类项专项练习题

1

—pq+4z+7pq

5

5mn-18x2y-9mn+5mn

6f-9f+4f

8z-4b-7z-4b

5m-2d+20m+19d+15m+13d

3ab+10ab+13ab+ab

11a2b+5y2z+6a2b+7y2z

7y-6y2+9y-2y2+7

5 1 7 5

—m+—n+—n+—m

4 7 4 7

8t2-7ab-7t2-1

1

—pq-9n+3pq

6

7mn+20x2y+16mn-26mn

初一数学上册合并同类项专项练习题

6c+2c-2c

3z+8b+9z+7b

9a+4d-4a-11d-16a-16d

8pq+17pq+18pq+pq

25a2b-8y2z+20a2b+8y2z

7m+9m2-6m+14m2-8

1 7 7 5

—m-—t+—t+—m

3 6 3 6

6n2-8pq-8n2-5

6

—xy+6y+5xy

7

3mn-7a2b-4mn+25mn

6a-3a-6a

8x+3f+6x-7f

初一数学上册合并同类项专项练习题

6m+3d+5m+16d+19m+16d

2mn+10mn-20mn+mn

23a2b-8b2c+6a2b+9b2c

4z+4z2-9z+6z2+3

3 1 7 5

—z+—n+—n+—z

2 7 2 7

6x2+4xy-3x2+1

5

—pq+9y+9pq

4

7mn-2x2y+9mn-12mn

3f+3f-2f

4y-6a+2y-2a

3b+8d-17b-10d+20b-19d

8xy-14xy-15xy+xy

初一数学上册合并同类项专项练习题

24x2y+5y2z+24x2y+7y2z

4x-7x2+3x-15x2+3

2 1 7 5

—x+—n+—n-—x

3 7 3 7

16t2-5pq-5t2-3

1

—xy-4m+9xy

5

4mn-15x2y-14mn-8mn

9e-7e+6e

7t-8c-8t+3c

7b+7d-14b-10d+11b-10d

8xy-20xy-13xy-xy

26a2b+4b2c+13a2b+3b2c

4x-6x2+9x-14x2-3

初一数学上册合并同类项专项练习题

1 1 7 5

—m+—y+—y+—m

2 8 2 8

4x2-6pq-7x2-4

1

—pq-4t+4pq

6

6pq-20x2y+11pq-10pq

3f-3f+7f

6z+2d-6z-3d

7a+5n-4a+8n+14a-18n

2pq-18pq-10pq-pq

13a2b+4b2c+28a2b+3b2c

2z+3z2+3z+18z2+4

5 1 7 5

—z+—n-—n-—z

4 7 4 7

14z2-3ab+5z2+9

初一数学上册合并同类项专项练习题

1

—ab-8y+2ab

6

7xy+18x2y-6xy-7xy

6a+9a-9a

3m+3a-5m+2a

6b-2n-20b+8n+16b+17n

9pq-18pq-17pq-pq

12a2b-5y2z-6a2b+6y2z

3x+4x2+8x-8x2+6

1 7 7 5

—z+—y+—y-—z

4 8 4 8

15m2-7ab-9m2-6

1

—ab+6m+9ab

3

3mn-8x2y-9mn-21mn

初一数学上册合并同类项专项练习题

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