Daily Archives: September 12, 2019

DAY/DYDD 255:

The Main Challenge Here’s a 2-part, 7-step number trail involving all four arithmetical operations. Part 1: When starting with the number 15, what is your final answer? –1 +2 ×3 ÷4 +5 –6 ×7 Part 2: In a separate calculation, … Continue reading

Posted in 7puzzleblog.com | Leave a comment