MCQ
$−123+23+45=$
  • A
    $45$
  • B
    $−45$
  • $−55$
  • D
    $55$

Answer

Correct option: C.
$−55$
Given that We have to find the value of given expression
$-123+23+45$
we know that $= +(−)×(−)=+$
and $= (+)×(−)=−$
$-123+23+45$
$=-100+45$
$=−55$
option $C$ is correct

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