Ex-2 Recomposition nombres 100 → 999Je recompose les prix en € à partir de leur décomposition multiplicative

(1 X ) + (0 X ) =
1. 10 chewing-gums
2. 1 chewing-gum
3. 0 chewing-gum
4. 20 chewing-gums
(2 X ) + (9 X ) =
1. 29 chewing-gums
2. 2 chewing-gums
3. 9 chewing-gums
4. 92 chewing-gums
(3 X ) + (8 X ) =
1. 38 chewing-gums
2. 83 chewing-gums
3. 3 chewing-gums
4. 8 chewing-gums
(4 X ) + (7 X ) =
1. 47 chewing-gums
2. 74 chewing-gums
3. 4 chewing-gums
4. 7 chewing-gums
(5 X ) + (6 X ) =
1. 56 chewing-gums
2. 65 chewing-gums
3. 6 chewing-gums
4. 5 chewing-gums
(6 X ) + (5 X ) =
1. 65 chewing-gums
2. 56 chewing-gums
3. 6 chewing-gums
4. 5 chewing-gums
(7 X ) + (6 X ) =
1. 76 chewing-gums
2. 67 chewing-gums
3. 7 chewing-gums
4. 6 chewing-gums
(8 X ) + (1 X ) =
1. 81 chewing-gums
2. 18 chewing-gums
3. 1 chewing-gum
4. 8 chewing-gums
(9 X ) + (3 X ) =
1. 93 chewing-gums
2. 39 chewing-gums
3. 9 chewing-gums
4. 3 chewing-gums
(0 X ) + (1 X ) =
1. 1 chewing-gum
2. 10 chewing-gums
3. 0 chewing-gum
4. 30 chewing-gums

Ex-1 Recomposition nombres 0 → 99 Je recompose le nombre de chewing-gums à partir de la décomposition multiplicative.