Hints for SUM #53

Difficulty: Medium

Spoiler-safe hints for the SUM puzzle of November 9, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (53): start with 5 × 11 = 55

Hint 2

Target 2 (275): start with 5 × 11 = 55

Hint 3

Target 3 (200): start with 5 + 11 = 16

The answer

Contains the answer. Open only if you are stuck.

2 · 5 · 7 · 11 · 12

  • Target 1: 535 × 11 = 55 · 55 − 2 = 53
  • Target 2: 2755 × 11 = 55 · 7 − 2 = 5 · 55 × 5 = 275
  • Target 3: 2005 + 11 = 16 · 7 × 12 = 84 · 16 + 84 = 100 · 2 × 100 = 200

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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.