MCQ
$- 174 ​□ - 170 ​= - 174$​ then the symbol in blank is:
  • A
    $+$
  • B
    $-$
  • $+$ or $-$
  • D
    None

Answer

Correct option: C.
$+$ or $-$

$\frac{4}{-17}+\frac{0}{-17} =\frac{4}{-17}$
$\frac{4}{-17}-\frac{0}{-17}= \frac{4}{-17}$
Therefore we use both $+$ or $-$

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