初一数学上册合并同类项及去括号专项练习题129

－—(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