Question

You have a calculator with 4 buttons.They can multiply the current value shown on the calculator by 2, divide the current value by 3, add 5 to the current value, or subtract 7 from the current value.

If the screen starts at 6, what is the fewest button presses you need to make to get a value of 1?


[Hint: If working forwards from 6 is daunting, try working backwards from 1.]

Answer 1

/3 ... 2

*2 ... 4

*2 ... 8

-7 ... 1

Answer 2

6 x 2=12 x 2 = 24/3 = 8 -7=1

Answer 3

Shut up