Question

add 3mn, 5mn, 6mn and -3mn​

Answer 1

Answer:

the correct answer is 11mn

Step-by-step explanation:

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Answer 2

$\Huge\boxed{question}$

add 3mn, 5mn, 6mn and -3mn​

$\Huge\boxed{Solution:-}$

$\Rightarrow\:\:\:3mn\:+5mn\:+6mn\:+(-3mn)\\\\\Rightarrow\:\:\:14mn\:+(-3mn)\\\\\Rightarrow\:\:\:14mn\:-3mn\\\\\Rightarrow\:\:\:11mn$

$\boxed{final\:\:answer}$

$\Huge\boxed{11mn}$