Hints for SUM #41

Difficulty: Hard

Spoiler-safe hints for the SUM puzzle of October 28, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (14): start with 3 × 18 = 54

Hint 2

Target 2 (160): start with 3 + 9 = 12

Hint 3

Target 3 (497): start with 3 + 18 = 21

The answer

Contains the answer. Open only if you are stuck.

3 · 8 · 9 · 18 · 40

  • Target 1: 143 × 18 = 54 · 54 − 40 = 14
  • Target 2: 1603 + 9 = 12 · 12 − 8 = 4 · 40 × 4 = 160
  • Target 3: 4973 + 18 = 21 · 40 + 21 = 61 · 8 × 61 = 488 · 9 + 488 = 497

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SUM

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