Ex-8

(0 X ) + (2 X ) =
1. 20 chewing-gums
2. 0 chewing-gum
3. 2 chewing-gums
4. 10 chewing-gums
(1 X ) + (7 X ) =
1. 17 chewing-gums
2. 71 chewing-gums
3. 70 chewing-gums
4. 7 chewing-gums
(4 X ) + (3 X ) =
1. 34 chewing-gums
2. 43 chewing-gums
3. 3 chewing-gums
4. 4 chewing-gums
(4 X ) + (8 X ) =
1. 48 chewing-gums
2. 84 chewing-gums
3. 8 chewing-gums
4. 40 chewing-gums
(3 X ) + (5 X ) =
1. 53 chewing-gums
2. 35 chewing-gums
3. 3 chewing-gums
4. 5 chewing-gums
(6 X ) + (8 X ) =
1. 68 chewing-gums
2. 86 chewing-gums
3. 6 chewing-gums
4. 8 chewing-gums
(0 X ) + (7 X ) =
1. 70 chewing-gums
2. 77 chewing-gums
3. 7 chewing-gums
4. 0 chewing-gum
(8 X ) + (0 X ) =
1. 80 chewing-gums
2. 8 chewing-gums
3. 0 chewing-gum
4. 26 chewing-gums
(4 X ) + (9 X ) =
1. 94 chewing-gums
2. 49 chewing-gums
3. 9 chewing-gums
4. 4 chewing-gums
(0 X ) + (5 X ) =
1. 5 chewing-gums
2. 50 chewing-gums
3. 0 chewing-gum
4. 25 chewing-gums

Ex-8 Recomposition nombres 0 → 99 Je recompose le nombre de chewing-gums à partir de la décomposition multiplicative. (classes des nombres mélangées)