Puzzles sharpen our brains and teach us perseverance. They enhance our problem-solving skills as we are challenged to think and create strategies.
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1x (2+3) x 4 x 5 – (6-7-8+9) =100
(1+2+3+4+5+6+7 )+ (8×9) = 100
(1×2)+(3×4) x 5+(6+7+8+9)=100
This puzzle ( a bit modified) is from Fibonacci’s book, Liber Abaci. Fibonacci was a great Italian mathematician who lived in the 13th century.
More about Fibonacci here
Hint: Tree diagram
7 women + 49 horses + 343 + children + 2401 sacks + 16807 loaves + 117649 olives
137 256 on the way to Rome
On the other side of 3 is the circle. In the first arrangement, the 3 appears with the triangle and square cards. This leaves the circle as the shape on the other side on the 3 card.
There are 6 different ways for the Binions to sit in their spaceship. Explained more here: Factorial