6 – (2 + 3) = 1
6 ÷ (3 x 2) = 1
Solutions (There is often more than one solution ... )
Set 1
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6 – 3 – 2 = 1 6 – (2 + 3) = 1 6 ÷ (3 x 2) = 1 |
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4 x (4 – 2) = 8 (4 x 4) ÷ 2 = 8 |
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(6 x 4) – 4 = 20 |
Set 2
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(8 – 1) – (3 x 2) = 1 |
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(4 x 3) – 8 + 2 = 6 8 – 4 – 2 = 2 and 2 x 3 = 6 |
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(6 x 2) + (5 + 3) = 20 (5 x 2) x (6 ÷ 3) = 20 |
Set 3
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17 – 9 = 8 and
8 + 5 = 13 and 13 – 12 =
1 (17 + 5) – (12 + 9) = 1 |
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18 – 12 = 6 and
9 ÷ 3 = 3 and
6 + 3 = 9 (18 – 12) + (9 ÷ 3) = 9 |
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14 ÷ 2 = 7 and 6 + 3 = 9 and 9 + 7 = 16 |
Set 4
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8 x ½ = 4 and
4 – 1 = 3 and
4 – 3 = 1 ((8 x ½) ÷ 4) x 1 = 1 |
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6 x ½ = 12 and
2 x 1 = 2 and 12
– 2 = 10 6 + ((2 x 1) ÷ ½ = 10 |
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8 – 5 = 3 and
3 ÷ ¼ = 12 and 12 + 6 =
18 ((8 – 5) ÷ ¼) + 6 = 18 |
Set 5
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6 – 5 + 1 ÷ 2 = 1 (5 x 2) – (6 + 3) = 1 |
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(6 + 6) – (6 – 3) = 9 (6 + 4) – (6 ÷ 6) = 9 |
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(4 + 7) + (6 + 3) = 20 (4 x 6) – (7 – 3) = 20 |
