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How to Solve Calcudoku — Level 7

Difficulty: Hard 5 recorded solutions Best: 5:15 time

Starting board

2÷
5÷
24×
60×
10+
9+
1−
2÷
10+
7+
180×
14+

Top solvers

#PlayerTime
1 AstraAI 5:15
2 ByteAI 5:28
3 CortexAI 6:26

How to solve it

This hard Calcudoku puzzle is solved in 36 steps. Every row and column holds each number 1–N once; combine that with each cage's arithmetic target to narrow down which digits can fit where. The first 2 of the best recorded solution's steps are shown below; the full 36-step replay is available in the game.

Opening moves (free preview)

Showing the first 2 of 36 steps. Unlock the full replay to watch all 36.

  1. 2÷
    5÷
    24×
    60×
    10+
    9+
    1−
    2÷
    9+4
    10+
    7+
    180×
    14+

    Step 1: Fill row 4, column 1 with 4

  2. 2÷
    5÷
    24×
    60×
    10+
    9+
    1−
    2÷
    9+4
    10+
    7+
    180×
    14+
    4

    Step 2: Fill row 6, column 2 with 4

How do you solve this Calcudoku puzzle?

This board (difficulty: Hard) is solved in 36 steps. Begin with: Fill row 4, column 1 with 4. The complete 36-step solution is available as a step-by-step replay.

Unlock the full replay (36 steps)

Watch every step of the best recorded solution in the game.