bonjour
A = 8/3 + 5 : ( 1 - 2/5 )
A = 8/3 + 5 : ( 3/5 )
A = 8/3 + 5 x 5/3
A = 8/3 + 25 /3
A = 33/3
A = 11
B = 55 x 10 ³ x 2 ¹⁰ : 2 ⁹ x 10 ⁴
B = 55 x 10 ⁻¹ x 2 ¹
B = 5.5 x 2 = 11
