PEDMAS magic

Algebra Level 1

In this set, we will be seeing all types of problems. Why don't we start with an easy one?

What is 1 + 2 + 3 − 2 − 1 − 3 × 0 + 1 1+2+3-2-1-3×0+1 ? (Don't go with instinct, you can do it!)


The answer is 4.

Eric Hernandez by Eric Hernandez , 20, Mexico

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3 solutions

Torbjørn Mevik
Aug 12, 2014

Presedence of operators demands that multiplication is done before addition and subtraction.

1+2+3-2-1-3x0+1 =1+2+3-2-1+1 =6-3+1 =4

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Here, BODMAS rule has to be used

1+2+3-2-1-3*0+1

=(1+2+3)-2-1-(3*0)+1

=6-3-0+1

=4

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This question has been posted two times.

Anuj Shikarkhane - 6 years, 10 months ago
Arun Ar
Aug 7, 2014

(1 + 2 + 3 ) - 2 - 1 - (3 * 0 ) + 1

= 6 - 3 + 1

=4

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