Level 412: One-Sided Tug-of-War
Optimal: 8 digits
Target Number

990

Solo Digit: 1
Waiting for input
Digits Used: 0

Level 412 Overview & Strategy

Medium

In Level 412, your challenge is to reach the target number 990 using only the solo digit 1. The optimal solution requires exactly 8 digits.

Solo Digit: 1
Target Goal: 990
Optimal Length: 8 digits
Allowed Operations: + − × ÷ ^ ! √ ( )

Solving Tip

Notice how close 990 is to multiples, factorials, or powers of 1. If direct multiplication or division leaves a remainder, look for ways to generate 1 / 1 = 1 or (1 - 1) = 0 to fine-tune your final total.