Bonjour

1) 1 + 3² = 1 + 3*3 = 1 + 9 = 10 ≠ 16 donc faux

2) 5 * 2^3 = 5 * 2 * 2 * 2 = 10 * 4 = 40 donc vrai

3) 5²/4 = 5*5/4 = 25/4 donc vrai

4) (2+3)^4 = 5^4 = 5^(2*2) = (5²)² = 25² = 25*25 = 625

2^4 + 3^4 = (2²)² + (3²)² = 4² + 9² = 16 + 81 = 97

625 ≠ 97 donc faux