Simple looking 5th grade math problem leaves the ... The problem in question? 10×2÷4−2. ... Exponents, Multiplication/Division, Addition/Subtraction). Others may have learned it ...

= 2639526 * 10 8 + 5276584 * 10 4 + 12145242 * 10 4 + 24279128 * 1 = 264126842539128. Karatsuba’s insight was to apply Gauss optimization to this divide-conquer-and-glue approach, replacing some ...