Hints for SUM #4

Difficulty: Easy

Spoiler-safe hints for the SUM puzzle of September 21, 2026. Each hint is hidden until you open it; the answer stays hidden until you ask for it.

Hint 1

Target 1 (81): start with 8 − 2 = 6

Hint 2

Target 2 (219): start with 8 − 5 = 3

Hint 3

Target 3 (263): start with 2 + 15 = 17

The answer

Contains the answer. Open only if you are stuck.

2 · 5 · 8 · 15 · 75

  • Target 1: 818 − 2 = 6 · 75 + 6 = 81
  • Target 2: 2198 − 5 = 3 · 75 − 2 = 73 · 3 × 73 = 219
  • Target 3: 2632 + 15 = 17 · 75 ÷ 5 = 15 · 17 × 15 = 255 · 8 + 255 = 263

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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.