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初一数学上册合并同类项及去括号专项练习题129
2025-09-25 21:43:52 责编:小OO
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  1         1                

-—(y+z)+—(m+n)                5(9b-x)-6(m+2p)

  9         2                

                

-(7b-5)                z+5(6-5b)

                

15m+3(3y-2t)                -(4m-y)-7(5b+3b)

                

1                

—(12+8z)+t                -4(9c+2xy+6)

9                

                

  1         1                

-—(y+z)-—(s+t)                4(7b-x)-5(m+8q)

  7         2                

                

-(9m-3)                y-2(5-2a)

                

9m-4(5b-8c)                -(7m-b)+7(3m+7a)

                

9                

—(10-4y)-c                -3(8a-7mn+8)

8                

                

  1         1                

-—(b+c)+—(m+n)                5(7b-y)+4(n-8p)

  2         7                

                

-(8n+8)                z+4(6-6c)

                

14m+4(3y+8z)                -(4m+y)-6(7n-7c)

                

1                

—(12-4z)+z                -2(3d+8xy+3)

6                

                

  1         1                

-—(x+y)+—(p+q)                4(8b-x)+9(m+8q)

  7         7                

                

-(7b+5)                x+2(8-4c)

                

14m-2(3b+2c)                -(4m+b)+6(4b+6c)

                

1                

—(18-6x)+c                -2(8a+4ab-9)

7                

                

  1         1                

-—(x+y)-—(e+f)                5(6b-x)+8(m-9q)

  6         5                

                

-(7b+8)                z+8(9-4b)

                

4m+9(7y-7c)                -(3m-y)-3(9b+4b)

                

7                

—(14+6z)+c                -3(3d-6bc+5)

8                

                

  1         1                

-—(a+b)+—(s+t)                3(7b-y)-9(m+9q)

  8         8                

                

-(7n-6)                y+7(2-6b)

                

4m-9(8b-9c)                -(3m-b)-4(9n+8b)

                

1                

—(18-4y)+c                -5(5b-4mn+4)

5                

                

  1         1                

-—(a+b)-—(e+f)                5(6b+y)+7(m+3q)

  6         5                

                

-(6b+4)                z-6(8+2c)

                

20a+9(8n-4c)                -(4a+n)+5(5b+2c)

                

4                

—(8-2z)+c                -3(5c+2ab-5)

5                

                

  1         1                

-—(x+y)+—(p+q)                3(9b+y)-7(m+3q)

  4         6                

                

-(6m+3)                z+2(9-2a)

                

19x+2(2b-5z)                -(5x+b)-4(9m-7a)

                

1                

—(16-4z)+z                -7(3b+7mn+8)

7                

                

  1         1                

-—(b+c)-—(s+t)                2(8b+x)+2(n-6q)

  5         8                

                

-(9a-9)                x+4(5-3a)

                

16x+9(6b+7t)                -(2x+b)-3(3a+7a)

                

1                

—(12+10x)-t                -9(8a-9bc-6)

5                

                

  1         1                

-—(x+y)-—(e+f)                3(7b+x)-5(m-5p)

  4         3                

                

-(3x-4)                x+8(6-4c)

                

2m+3(7n+7z)                -(5m+n)-5(5x-8c)

                

2                

—(10-2x)+z                -6(6c+6bc+6)

3                

                

  1         1                

-—(y+z)-—(m+n)                5(8b+y)-5(n-8q)

  4         6                

                

-(3b-4)                z+3(7+2c)

                

3m+4(2b+9z)                -(8m+b)+3(2b+4c)

                

1                

—(18-6z)+z                -7(3b-5xy+1)

8                

                

  1         1                

-—(a+b)+—(p+q)                2(8a-x)+5(n-4q)

  8         9                

                

-(4m-8)                y-2(6+6b)

                

10x-4(2y+7z)                -(2x-y)-7(9m+2b)

                

1                

—(12-6y)+z                -2(4d+2ab-1)

8                

                

  1         1                

-—(b+c)+—(p+q)                5(6b+y)-4(n+7p)

  8         4                

                

-(3y+5)                x-7(3+8c)

                

14a-3(8b+2c)                -(2a+b)-2(7y+7c)

                

1                

—(10+4x)-c                -2(8c+5bc-5)

6                

                

  1         1                

-—(b+c)-—(p+q)                5(8a-y)-4(n+7q)

  2         3                

                

-(5a+7)                x+4(8-4b)

                

14x+7(7n-2c)                -(4x-n)-5(7a+7b)

                

1                

—(18-6x)-c                -6(3b-9ab+9)

9                

                

  1         1                

-—(b+c)-—(m+n)                5(6a+y)-9(m+4p)

  5         6                

                

-(2m+6)                y+6(4+6c)

                

7x-2(2b+4c)                -(6x+b)+9(2m-4c)

                

4                

—(12+6y)-c                -8(8d+8mn+3)

5                

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