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Basic Arithmetic

Please Excuse My Dear Aunt Sally (PEMDAS), she has the hardest time remembering how to make sense of these arithmetic rules...

Level 1

         

\[\Large \text{Compute } \ 3 + 0 \times 5 + 5 - 9.\]

\(2+2\div2=?\)

\[ \LARGE (\color{red}2^{\color{green}4})^{\color{blue}8} \div ({\color{green}4}^{\color{blue}8})^{\color{red}2} = \ \color{grey}? \]

When I turned 2 years old, my brother was just half of my age.

Today I turned 19 years old. How old is my brother?

\[ \large \text{ Is } 2^{999} \text{ bigger than } 999^2 ?\]

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