Édition du: 21/07/2025 |
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Sommaire de cette page >>> Sans parenthèses >>> Avec parenthèses >>> Avec concaténations >>> Cas du nombre 1000 |
Débutants Glossaire |
1 à jusqu'à 7 0 solution |
/ |
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1 à 8 3 solutions |
100 = 1 × 2 + 3
× 4 +
5 × 6 + 7 × 8 100 = 1 + 2
× 3 × 4 × 5 – 6 – 7 – 8 100 = 1 – 2 ×
3 +
4 × 5 × 6 – 7 – 8 |
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1 à 9 14 solutions |
100 = 1 × 2 × 3
× 4 +
5 + 6 + 7 × 8
+ 9 100 = 1 × 2 × 3
× 4 +
5 + 6 – 7
+ 8 × 9 100 = 1 × 2 ×
3 +
4 + 5
+ 6 +
7 + 8 × 9 100 = 1 × 2 × 3
– 4 × 5 + 6 × 7
+ 8 × 9 100 = 1 + 2
× 3 +
4 × 5 – 6 + 7
+ 8 × 9 100 = 1 +
2 + 3
+ 4 +
5 + 6
+ 7 + 8
× 9 100 = 1 +
2 + 3 – 4 × 5
+ 6 × 7 + 8 ×
9 100 = 1 + 2
– 3 × 4 + 5 × 6
+ 7 + 8
× 9 100 = 1 + 2
– 3 × 4 – 5 + 6 × 7
+ 8 × 9 100 = 1 – 2 ×
3 +
4 × 5 + 6 + 7
+ 8 × 9 100 = 1 – 2 × 3
– 4 +
5 × 6 + 7 + 8 × 9 100 = 1 – 2 × 3
– 4 – 5 + 6 × 7
+ 8 × 9 100 = 1 – 2 + 3
× 4 × 5 + 6 × 7
+ 8 – 9 100 = 1 – 2 + 3
× 4 × 5 – 6 + 7 × 8 – 9 |
|
1 à 5 |
1 × (2 + 3) × 4
× 5 = 100 (1 × 2 + 3) × 4
× 5 = 100 |
|
1 à 6 |
1 + (2 + 3 + 4)
× (5 + 6) = 100 |
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1 à 7 11solutions |
1 + (2 + 3) × 4
× 5 + 6 – 7 = 100 (1 + 2 × 3 × 4)
× (5 + 6 – 7) = 100 1 – 2 + 3 + (4 ×
5 – 6) × 7 = 100 1 – (2 – (3 + (4
× 5 – 6) × 7)) = 100 1 – (2 – 3) + (4
× 5 – 6) × 7 = 100 1 – (2 – 3 – (4
× 5 – 6) × 7) = 100 1 – 2 × 3 + (4 +
5 + 6) × 7 = 100 1 – (2 × 3 – (4
+ 5 + 6) × 7) = 100 (1 – 2 × 3) × 4
× 5 × (6 – 7) = 100 (1 – 2 × 3) × 4
× 5/(6 – 7) = 100 1 × 2 × (3 + (4
+ 5) × 6 – 7) = 100 |
|
1 à 8 664 solutions |
1 + (2 + 3 + 4 +
5) × 6 + 7 + 8 = 100 (1 + 2 + 3 + 4) ×
(5 + 6 + 7 – 8) = 100 1 + 2 + (3 + 4)
× 5 + 6 + 7 × 8 = 100 (1 + 2 + 3 + 4)
× 5 + 6 × 7 + 8 = 100 1 + 2 + (3 + 4)
× (5 + 6/7 + 8) = 100 (1 + 2 + 3 + 4)
× 5 – 6 + 7 × 8 = 100 (1 + 2 + 3 + 4)
× 5 – (6 – 7 × 8) = 100 1 + (2 + 3 + 4)
× (5 – 6 × (7 – 8)) = 100 1 + (2 + 3 + 4)
× (5 – 6/(7 – 8)) = 100 (1 + 2 + 3 + 4 ×
5) × 6 – 7 × 8 = 100 (1 + 2 + 3 +
4)/5 × (6 × 7 + 8) = 100 (1 + 2 + 3 +
4)/(5/(6 × 7 + 8)) = 100 … |
|
1 à 9 4696 solutions |
1 + 2 + 3 + 4 +
5 + 6 + 7 + 8 × 9 = 100 1 + 2 + 3 + 4 +
(5 + 6 + 7 – 8) × 9 = 100 1 + 2 + (3 + 4 +
5 + 6 – 7) × 8 + 9 = 100 1 + (2 + (3 + 4
+ 5 × (6 + 7))/8) × 9 = 100 (1 + 2 + 3 + 4 +
5) × 6 – 7 + 8 + 9 = 100 (1 + 2 + 3 + 4 +
5) × 6 – (7 – (8 + 9)) = 100 (1 + 2 + 3 + 4 +
5) × 6 – (7 – 8) + 9 = 100 (1 + 2 + 3 + 4 +
5) × 6 – (7 – 8 – 9) = 100 (1 + 2 + 3 + (4
+ 5) × 6) × (7 + 8)/9 = 100 1 + (2 + 3 + 4 +
5 × 6/(7 + 8)) × 9 = 100 1 + (2 + 3 + (4
+ 5)/6 + 7) × 8 – 9 = 100 1 + 2 + 3 + 4 –
5 + (6 + 7) × 8 – 9 = 100 1 + (2 + 3 + 4 –
5 + 6 – 7 + 8) × 9 = 100 1 + (2 + 3 + 4 –
5 + 6 – (7 – 8)) × 9 = 100 1 + (2 + 3 + 4 –
(5 – 6 + 7) + 8) × 9 = 100 1 + (2 + 3 + 4 –
(5 – 6 + 7 – 8)) × 9 = 100 … 1 / 2 / (3 / (4
× 5) / (6 + 7 + 8 + 9)) = 100 1 / 2 / (3 / 4 /
(5 × (6 + 7 + 8 + 9))) = 100 1 / 2 / (3 / 4 /
5) × (6 + 7 + 8 + 9) = 100 1 / 2 / (3 / 4 /
5 / (6 + 7 + 8 + 9)) = 100 |
|
Exemple de calcul de
fraction à étage
Comment
calculer: 1 / 2 / (3 / 4 / 5 / (6 + 7 + 8 + 9)) |
Voir Fraction
à étages / Brève
63-1248 / Nombre 100
1 à 5 3 solutions |
(1 + 23 – 4) × 5
= 100 1 × (2 + 3) × 4
× 5 = 100 (1 × 2 + 3) × 4
× 5 = 100 |
|
1 à 6 1 solution |
1 + (2 + 3 + 4)
× (5 + 6) = 100 |
|
1 à 7 42 solutions Certaines solutions sont proches, à l'arrangement des parenthèses
près. |
1 + 23 + 4 + 5 +
67 = 100 (1 + 2 × 3) × 4
+ 5 + 67 = 100 1 × 2 × (3 – 4 ×
5 + 67) = 100 1 × 2 × (3 – (4
× 5 – 67)) = 100 1 + 2 + 34 + 56
+ 7 = 100 123 × 4 – 56 × 7
= 100 1 × (23 × 4 + 56
/ 7) = 100 1 × 23 × 4 + 56
/ 7 = 100 (1 / 2 + 3 × 4)
× 56 / 7 = 100 1 – 2 × (3 – 45
/ 6 × 7) = 100 1 – 2 × (3 – 45
/ (6 / 7)) = 100 (1 + 2) × (34 –
5) + 6 + 7 = 100 1 × (2 × (34 –
5) + 6 × 7) = 100 1 × 2 × (34 – 5)
+ 6 × 7 = 100 (1 + 23) × 4 + 5
+ 6 – 7 = 100 1 + 23 × 4 – (5
– 6) × 7 = 100 1 – 23 × 4 × (5
– 6) + 7 = 100 1 – (23 × 4 × (5
– 6) – 7) = 100 1 – 23 × 4 / (5
– 6) + 7 = 100 1 – (23 × 4 / (5
– 6) – 7) = 100 1 × (23 × 4 – 5 +
6 + 7) = 100 1 × (23 × 4 – 5)
+ 6 + 7 = 100 1 × 23 × 4 – 5 +
6 + 7 = 100 1 × (23 × 4 – 5
+ 6) + 7 = 100 1 × (23 × 4 – (5
– (6 + 7))) = 100 1 × (23 × 4 – (5
– 6) + 7) = 100 1 × 23 × 4 – (5
– (6 + 7)) = 100 1 × (23 × 4 – (5
– 6)) + 7 = 100 1 × 23 × 4 – (5 –
6) + 7 = 100 1 × (23 × 4 – (5
– 6 – 7)) = 100 1 × 23 × 4 – (5
– 6 – 7) = 100 1 + (2 + 3) × 4
× 5 + 6 – 7 = 100 (1 + 2 × 3 × 4)
× (5 + 6 – 7) = 100 1 – 2 + 3 + (4 ×
5 – 6) × 7 = 100 1 – (2 – (3 + (4
× 5 – 6) × 7)) = 100 1 – (2 – 3) + (4
× 5 – 6) × 7 = 100 1 – (2 – 3 – (4
× 5 – 6) × 7) = 100 1 – 2 × 3 + (4 +
5 + 6) × 7 = 100 1 – (2 × 3 – (4
+ 5 + 6) × 7) = 100 (1 – 2 × 3) × 4
× 5 × (6 – 7) = 100 (1 – 2 × 3) × 4
× 5 / (6 – 7) = 100 1 × 2 × (3 + (4
+ 5) × 6 – 7) = 100 |
|
1 à 8 Trop de solutions pour les compter |
1 × (234 – (56 +
78)) = 100 1 × 234 – (56 +
78) = 100 1 × (234 – 56 –
78) = 100 1 × (234 – 56) –
78 = 100 1 × 234 – 56 –
78 = 100 (1 – 2) × 34 +
56 + 78 = 100 (1 – 2) × (34 –
(56 + 78)) = 100 (1 – 2) × (34 –
56) + 78 = 100 (1 – 2) × (34 –
56 – 78) = 100 1 + 2 × (3 + 45
/ 6) + 78 = 100 (12 – 34) × (5 –
6) + 78 = 100 (12 – 34) / (5 –
6) + 78 = 100 1 – 2 + 34 – (5
+ 6) + 78 = 100 1 – 2 + 34 – (5
+ 6 – 78) = 100 1 – 2 + 34 – 5 –
6 + 78 = 100 … |
|
1 à 9 Trop de solutions pour les compter |
1 / (2 – 3 + 4)
× 567 – 89 = 100 1 / ((2 – 3 + 4)
/ 567) – 89 = 100 1 / (2 – (3 –
4)) × 567 – 89 = 100 1 / ((2 – (3 –
4)) / 567) – 89 = 100 123 – (45 + 67)
+ 89 = 100 123 – (45 + 67 –
89) = 100 123 – 45 – 67 +
89 = 100 123 – 45 – (67 –
89) = 100 1 × (2 × (34 +
5) – 67 + 89) = 100 1 × (2 × (34 +
5) – 67) + 89 = 100 1 × 2 × (34 + 5)
– 67 + 89 = 100 … |
|
1 + (23 +
4) × (5 × 6 + 7) = 1000 1 – (23 +
4) × (5 – 6 × 7) = 1000 1 – 2 + (3
× 4 + 5 / 6) × 78 = 1000 1 – (2 – (3
× 4 + 5 / 6) × 78) = 1000 (12 – 3)
× (45 + 67) – 8 = 1000 (1 + 2) ×
3 × (45 + 67) – 8 = 1000 1 × (2 × (34
– 5) + 67) × 8 = 1000 (1 × 2 × (34
– 5) + 67) × 8 = 1000 … 1 / ((2 –
3) / (4 × 5 × (6 – 7 × 8))) = 1000 1 / ((2 –
3) / 4) × 5 × (6 – 7 × 8) = 1000 1 / ((2 –
3) / (4 × 5)) × (6 – 7 × 8) = 1000 1 / ((2 –
3) / (4 × 5) / (6 – 7 × 8)) = 1000 1 / ((2 –
3) / 4 / (5 × (6 – 7 × 8))) = 1000 1 / ((2 –
3) / 4 / 5) × (6 – 7 × 8) = 1000 1 / ((2 –
3) / 4 / 5 / (6 – 7 × 8)) = 1000 |
(1 – (2 –
3) / 4) × (5 + 6 + 789) = 1000 1 × (2 + 3)
/ 4 × (5 + 6 + 789) = 1000 (1 × 2 + 3)
/ 4 × (5 + 6 + 789) = 1000 1 × (2 + 3)
/ (4 / (5 + 6 + 789)) = 1000 (1 × 2 + 3)
/ (4 / (5 + 6 + 789)) = 1000 1 × (2 – 3
/ 4) × (5 + 6 + 789) = 1000 (1 × 2 – 3
/ 4) × (5 + 6 + 789) = 1000 (1 / 2 + 3
/ 4) × (5 + 6 + 789) = 1000 12 / 3 × (4
+ 5 × 67 – 89) = 1000 12 / (3 /
(4 + 5 × 67 – 89)) = 1000 1 × (2 × (3
+ 456) – 7 + 89) = 1000 … 1 – ((2 ×
3 – (4 + 5)) × 6 × 7 × 8 + 9) = 1000 1 – (2 × 3
– (4 + 5)) × 6 × 7 × 8 – 9 = 1000 1 – (2 × (3
– 4) – (5 + (6 + 7) × 8)) × 9 = 1000 1 – (2 × (3
– 4) – 5 – (6 + 7) × 8) × 9 = 1000 1 – ((2 ×
(3 – 4 – 5) – 6) × 7 × 8 + 9) = 1000 1 – (2 × (3
– 4 – 5) – 6) × 7 × 8 – 9 = 1000 (1 – (2 ×
(3 – 4) – 5)) × (6 + 7 × (8 + 9)) = 1000 … |
|
Voir Nombre
1000
Une des fractions à étages
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