bonsoir,
a+b= 16
a²-b² = 32
a= 16-b
(16-b)² -b² =32
256 -32b + b² -b² = 32
256 - 32 = 32b
224 =32b
b= 224/32 = 7
b=7
=> a = 16 -7 =9
Vérif:
9² - 7² = 81 -49 =32
