Hints for SUM #40

Difficulty: Easy

Spoiler-safe hints for the SUM puzzle of October 27, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (67): start with 5 × 10 = 50

Hint 2

Target 2 (45): start with 2 + 6 = 8

Hint 3

Target 3 (208): start with 2 × 6 = 12

The answer

Contains the answer. Open only if you are stuck.

2 · 5 · 6 · 10 · 17

  • Target 1: 675 × 10 = 50 · 17 + 50 = 67
  • Target 2: 452 + 6 = 8 · 17 − 8 = 9 · 5 × 9 = 45
  • Target 3: 2082 × 6 = 12 · 5 + 17 = 22 · 10 × 22 = 220 · 220 − 12 = 208

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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.