Exercice d'arithmétique

× 5 × 7. Exercice 2. A = 2?16 × 3 ?. ?25. × 3+3. ?36 ... b. A × B = 2 384 602 × 0,000 469 2. = 2,384 602 ... Page 2. Exercice 4. ?rectangle = 2L + 2? d'où. ? ...