Exponent Simplification with 4

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.Exponent Simplification with 4

[@javidmirab-jo6hi]

So nice solution

[@user-wm5od9xj5i]

Positive

[@javidmirab3492]

Very sweaty

[@user-id1nm3wc2e]

Best

[@hotironaircraftshop]

Memorize your powers of two up to 20. It's the computer age equivalent to multiplication tables up to 12x12.

[@b213videoz]

4⁷(4² - 4¹ - 1) = 4⁷ * 11

[@kot_begemot]

no need to use 2 as a basis, using 4 is faster and easier

[@SE45CX]

But he knows from memory that 2**10 = 1024