Hints for SUM #50

Difficulty: Hard

Spoiler-safe hints for the SUM puzzle of November 6, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (18): start with 1 + 4 = 5

Hint 2

Target 2 (190): start with 13 − 3 = 10

Hint 3

Target 3 (420): start with 1 + 3 = 4

The answer

Contains the answer. Open only if you are stuck.

1 · 3 · 4 · 13 · 20

  • Target 1: 181 + 4 = 5 · 13 + 5 = 18
  • Target 2: 19013 − 3 = 10 · 20 − 1 = 19 · 10 × 19 = 190
  • Target 3: 4201 + 3 = 4 · 4 + 13 = 17 · 4 + 17 = 21 · 20 × 21 = 420

Play this puzzle Today's hints Archive

SUM

Five numbers, four operations, three targets. Combine the numbers with + − × ÷ to hit each target exactly. The same puzzle for everyone, in every language.