Question

$- 2 \3 \: + \: \: \: \: \: \: \: \: \: \: = - 2 \3$
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Answer 1

Answer:

0is the correct answer

Answer 2

Let consider the unknown number be x.

A/C:

-2/3+x=-2/3

=>x=-2/3+2/3

=>x=-2+2

=>x=0