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The answer is 3.
It would be 4 if the mathematical expression looked like this:
( (1 x 1) + 1 ) x 2.

hi, nice to read about you.
i am, sajedul ahmed, from bangladesh,am also new on steemit and welcome you to steemit.
i have followed you. so, can also follow me plz.and plz upvoted my post.
best of luck...

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Three. :)

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