SELF TEST 17: Operator precedence
Given that

  A := 1;      B := 2;      C := 4;

What does X equal after each of the following statements,

  X := A / B / C;               ________________
  X := A + B / C;               ________________
  X := A * B * C;               ________________
  X := A * B - C;               ________________
  X := A + B + C;               ________________
  X := A / B * C;               ________________
  X := A * B / C;               ________________
  X := A + B - C;               ________________


  X := A / B / C;               0.125
  X := A + B / C;               1.5
  X := A * B * C;               8
  X := A * B - C;               -2
  X := A + B + C;               7
  X := A / B * C;               2
  X := A * B / C;               0.5
  X := A + B - C;               -1

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