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

+ =
1. 15 chewing-gums
2. 51 chewing-gums
3. 6 chewing-gums
4. 50 chewing-gums
++ =
1. 23 chewing-gums
2. 32 chewing-gums
3. 5 chewing-gums
4. 14 chewing-gums
+++ =
1. 31 chewing-gums
2. 13 chewing-gums
3. 4 chewing-gums
4. 40 chewing-gums
++++ =
1. 44 chewing-gums
2. 8 chewing-gums
3. 17 chewing-gums
4. 80 chewing-gums
+++++ =
1. 51 chewing-gums
2. 15 chewing-gums
3. 6 chewing-gums
4. 60 chewing-gums
+++++ + =
1. 64 chewing-gums
2. 46 chewing-gums
3. 10 chewing-gums
4. 19 chewing-gums
++++++ =
1. 70 chewing-gums
2. 7 chewing-gums
3. 17 chewing-gums
4. 16 chewing-gums
++++++++ =
1. 82 chewing-gums
2. 28 chewing-gums
3. 19 chewing-gums
4. 10 chewing-gums
++++++++ + =
1. 94 chewing-gums
2. 49 chewing-gums
3. 22 chewing-gums
4. 13 chewing-gums
=
1. 6 chewing-gums
2. 16 chewing-gums
3. 0 chewing-gum
4. 26 chewing-gums

Ex-5 Recomposition nombres 0 → 99 Je recompose le nombre de chewing-gums à partir de la décomposition additive.