Hints for SUM #52

Difficulty: Medium

Spoiler-safe hints for the SUM puzzle of November 8, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (74): start with 6 + 18 = 24

Hint 2

Target 2 (280): start with 2 + 18 = 20

Hint 3

Target 3 (678): start with 9 + 18 = 27

The answer

Contains the answer. Open only if you are stuck.

2 · 6 · 9 · 18 · 50

  • Target 1: 746 + 18 = 24 · 50 + 24 = 74
  • Target 2: 2802 + 18 = 20 · 6 × 50 = 300 · 300 − 20 = 280
  • Target 3: 6789 + 18 = 27 · 50 × 27 = 1350 · 6 + 1350 = 1356 · 1356 ÷ 2 = 678

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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.