When you prove the World wrong ...

6 ÷ 2 ( 1 + 2 ) = ? \large 6 \div 2(1+2) = ?

Find the ? \large ?


It would be better if the Staff or mods could arrange the numbers (in ascending order from up to down).

3 5 7 1 9

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2 solutions

Mohammad Farhat
Nov 8, 2018

Relevant wiki: Order of Operations

This is a VIRAL Math problem.

We use the order of operations first.

( 1 + 2 ) = 3 (1+2) = 3

6 ÷ 2 = 3 6 \div 2 = 3

3 ( 3 ) = 9 3(3) =9 _\square and voila.

Now I don't get it. When we contribute a multiple choice problem, we can first "decide" the order of the options, then Brilliant shuffles them again? The "decide" function is unnecessary.

X X - 2 years, 7 months ago

6 ÷ 2 ( 1 + 2 ) = ( 6 ÷ 2 ) ( 1 + 2 ) = 3 × 3 = 9 6 \div 2(1+2) = (6 \div 2)(1+2) =3 \times 3 =\boxed{9}

By the way, it should not be a "Probability" problem, I suppose.

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