MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 815
The first user who solved this task is Darrin Haywood.
#brainteasers #math #riddles
Frederic Stanley KippingDied 1 May 1949 at age 85 (born 16 Aug 1863).British chemist who pioneered in the chemistry of silicones, organic derivatives of silicon. |