• B + C = I
  • B + H = G
  • H + I = F
  • D + G = A
  • G + I = E
  • B + D = C

Solve

  • A + B = I
  • C + F = I
  • E + I = H
  • C + G = F
  • C + I = D
  • B + F = H

Solve

  • C + D = H + 8
  • A + B = G + 8
  • D + E = B + 8
  • H + I = D + 3
  • C + D = G + 9

Solve

  • C + H = A + 2
  • A + G = E + 5
  • A + D = E + 9
  • E + F = G + 3
  • E + I = F + 6
  • A + F = C + 1

Solve

  • I = G + 6
  • A = C + 4
  • B = D + 8
  • I = F + 3
  • H = D + 3

Solve

  • B = H + 5
  • A = I + 3
  • A = E + 8
  • D = G + 2
  • F = G + 5
  • I = D + 2

Solve

  • C = 4G
  • B = 3F
  • 4A = 2B
  • 3A = H
  • 4C = 2D
  • E ≠ 7

Solve

  • 2F = G
  • 2B = 3C
  • 4G = 2A
  • H = 3D
  • I ≠ 7

Solve

  • 2F = E
  • A > F
  • 3H = 4B
  • 2A = 3G
  • 4H = 2D
  • G > C

Solve

  • 4A = 3G
  • 4D = 2H
  • C > A
  • H = 4F
  • 3I = B

Solve

  • 2A = D + H
  • D > E
  • 2B = C + E
  • 2D = E + H
  • 2D = B + I
  • 2E = A + F

Solve

  • 2E = B + F
  • 2A = D + F
  • 2H = D + E
  • 2C = H + I
  • F > G
  • I > D

Solve

  • A + E ≤ 9
  • B + E ≤ 16
  • C + G = I
  • D + F ≤ 10
  • F + G = D
  • B + F = G
  • E > H
  • E + H = I

Solve

  • F + G = E
  • E + F = B
  • A + H = C
  • A + G ≤ 6
  • C + G = I
  • A + C ≤ 8

Solve

  • A + I = 5
  • F + H = 7
  • E + F = 6
  • G + I = 6
  • B + I = 9
  • A + D + F = 13

Solve

  • H + I = 7
  • D + H = 3
  • A + E = 7
  • D + E + G = 15
  • F + H = 9
  • A + B + D = 10

Solve

  • C + I = G + 11
  • E = BD + B + I
  • A + 2D = H + 7
  • B + D + F = 8
  • E + 1 = 2F

Solve

  • E + H = C + 2
  • E + F = I
  • B + D + 7 = C + EG
  • C = B + F
  • E + F + G = A + B + 7

Solve

  • E ≤ 1
  • H = C + E
  • H + 8 = A + 2B
  • AE + A = I
  • G = D + 1

Solve

  • CG = C
  • 6C = CE
  • B + 3 ≠ 2A
  • 3I ≥ B
  • F ≠ A + D
  • F = C + H
  • 3I ≤ 9
  • C + E ≥ A
  • A + F + H + 1 = C + DI
  • E ≠ H + I
  • H > B

Solve

  • E > C + F
  • C > G
  • II < 5
  • BI + F + I = A + B + EG
  • A + D + F = G + 12

Solve

  • 4F = E
  • I = GH
  • if C + E ≠ 12 then G = D + E + 2
  • B = A + H
  • A + G ≠ C

Solve

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