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

+ =
1. 11 chewing-gums
2. 2 chewing-gums
3. 12 chewing-gums
4. 20 chewing-gums
++ =
1. 24 chewing-gums
2. 42 chewing-gums
3. 6 chewing-gums
4. 15 chewing-gums
+++ =
1. 34 chewing-gums
2. 43 chewing-gums
3. 7 chewing-gums
4. 16 chewing-gums
++++ =
1. 41 chewing-gums
2. 14 chewing-gums
3. 5 chewing-gums
4. 40 chewing-gums
+++++ =
1. 54 chewing-gums
2. 45 chewing-gums
3. 9 chewing-gums
4. 18 chewing-gums
+++++ =
1. 60 chewing-gums
2. 6 chewing-gums
3. 15 chewing-gums
4. 0 chewing-gum
+++++++ =
1. 74 chewing-gums
2. 47 chewing-gums
3. 11 chewing-gums
4. 20 chewing-gums
++++++++ =
1. 83 chewing-gums
2. 38 chewing-gums
3. 11 chewing-gums
4. 20 chewing-gums
+++++++++ =
1. 92 chewing-gums
2. 29 chewing-gums
3. 11 chewing-gums
4. 20 chewing-gums
=
1. 4 chewing-gums
2. 40 chewing-gums
3. 0 chewing-gum
4. 14 chewing-gums

Ex-3 Recomposition nombres 0 → 99 Je recompose le nombre de chewing-gums à partir de la décomposition additive.