Hints for SUM #25

Difficulty: Medium

Spoiler-safe hints for the SUM puzzle of October 12, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (83): start with 4 × 19 = 76

Hint 2

Target 2 (279): start with 2 + 7 = 9

Hint 3

Target 3 (592): start with 2 × 4 = 8

The answer

Contains the answer. Open only if you are stuck.

2 · 4 · 7 · 19 · 50

  • Target 1: 834 × 19 = 76 · 7 + 76 = 83
  • Target 2: 2792 + 7 = 9 · 50 − 19 = 31 · 9 × 31 = 279
  • Target 3: 5922 × 4 = 8 · 19 − 7 = 12 · 50 × 12 = 600 · 600 − 8 = 592

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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.