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2 4 5 12 = 24: 6 solutions

Difficulty: HardOpen in Solver

12 − 4 × (2 − 5) = 24

  1. 2 − 5 = -3
  2. 4 × -3 = -12
  3. 12 − -12 = 24

6 solutions

  • 2 × 12 × (5 − 4) = 24Steps
    1. 2 × 12 = 24
    2. 5 − 4 = 1
    3. 24 × 1 = 24
  • 2 × 12 ÷ (5 − 4) = 24Steps
    1. 2 × 12 = 24
    2. 5 − 4 = 1
    3. 24 ÷ 1 = 24
  • 12 + 4 × (5 − 2) = 24Steps
    1. 5 − 2 = 3
    2. 4 × 3 = 12
    3. 12 + 12 = 24
  • (2 − 5) × (4 − 12) = 24Steps
    1. 2 − 5 = -3
    2. 4 − 12 = -8
    3. -3 × -8 = 24
  • (5 − 2) × (12 − 4) = 24Steps
    1. 5 − 2 = 3
    2. 12 − 4 = 8
    3. 3 × 8 = 24

Solving hints

  • Build a factor pair: split the four numbers into two groups and try to make a factor pair of 24 — 3 × 8, 4 × 6, or 12 × 2 — then multiply the two groups.

  • No factor pair divides cleanly? Switch to sums: make two numbers add up to 24, or try shapes like (a ± b) × (c ± d) and (a + b + c) × d.

Related hands

FAQ

Can 2 4 5 12 make 24?

Yes. Every one of them is listed above with step-by-step working.

How many solutions does 2 4 5 12 have?

6 — the list above is exhaustive, so every mathematically distinct way to combine the numbers is shown.

How difficult is 2 4 5 12?

It is rated “Hard” on our four-tier scale, based on whether whole-number intermediate steps suffice, how many distinct solutions exist, and whether the hand includes a two-digit card (10–13).