Respuesta :

mhanifa

Answer:

  • Correct choice is 1 and 2.

Step-by-step explanation:

The distance from R to left and right determines the balance. The balance is good when they are equal.

1) The balance is:

  • 2*1 = 1*2
  • 2 = 2

2) The balance is:

  • 2*3 = 2 + 4
  • 6 = 6

3) The balance is:

  • 1 + 2 ≠ 4
  • 3 ≠ 4

4) The balance is:

  • 1 ≠ 2

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