Sarah Carter on Instagram: “Can you solve the fours challenge? This is a simplified version of the classic four fours puzzle! Use exactly four fours and your choice…”
![I created this puzzle where using only 4 digits (1,2,5,7), only once each, you create expressions using any operations that result in each integer from 0 to 100. : r/mildlyinteresting I created this puzzle where using only 4 digits (1,2,5,7), only once each, you create expressions using any operations that result in each integer from 0 to 100. : r/mildlyinteresting](https://i.redd.it/iymoh99z4ws71.jpg)
I created this puzzle where using only 4 digits (1,2,5,7), only once each, you create expressions using any operations that result in each integer from 0 to 100. : r/mildlyinteresting
![Twitter 上的Yasantha Rajakarunanayake:"Here is a cool math puzzle. Express each number with four fours.. and common symbols. First 20 numbers shown below. How high can you go.. consecutively without gaps using Twitter 上的Yasantha Rajakarunanayake:"Here is a cool math puzzle. Express each number with four fours.. and common symbols. First 20 numbers shown below. How high can you go.. consecutively without gaps using](https://pbs.twimg.com/media/ECNxNBeUYAE7-fF.jpg)