Book Haul is Back! 50% Off Hundreds of Hardcovers And More Deals Shop Now In Stores & OnlineBook Haul is Back! 50% Off Hundreds of Hardcovers And More Deals Shop Now In Stores & Online
Add Item to wish listAdd Item to wish list

5000 Difficult Numbrex Puzzles to Improve Your IQ

By Kalman Toth
Paperback
$14.95
By Kalman Toth
Promotion message icon

Premium Members save an extra 10% and all Members collect stamps to save with Rewards. 10 stamps = $5. Learn More

Formats
In stock
This item is currently out of stock online.
Free standard shipping on orders over $60
Select a store to view item availability.
PERFECT GIFT FOR NUMBER PUZZLE LOVERS!
Solving NUMBREX puzzles guarantees to put your brain in top operating condition. NUMBREX puzzles challenge your mind two ways. First translate the result of an addition, subtraction, multiplication or division to decimal from binary, hexadecimal or roman numeral number formats. Second calculate the missing second operand in the arithmetic operation.

NUMBREX & SOLUTION

2952. 53 - ____ = 10000
2953. 7 * ____ = LXXXIV
2954. 12

Categories

Activity & Game BooksPuzzles, Brain Teasers & Logic GamesGAMES & ACTIVITIES->Logic & Brain Teasers