- #1
turkldo
- 4
- 0
How can I use 4, 4, and 4 to result in the number 31? You can perform any operation the 4's, but you can only use three 4's.
turkldo said:I have a TI-85. On it you select 2nd, Math. Next you press F4 for the HYP menu. Then you choose the type of hyperbolic function you want to use.
One way to use addition is to add 4+4+4+4+4+4+4+3=31.
Yes, you can use subtraction by taking 4^4-4=31.
Yes, you can use multiplication by taking 4x4x4-1=31.
Yes, you can use division by taking 4^4+4/4=31.
Yes, you can also use exponentiation by taking 4^(4+4/4)=31.