bonjour vous pouvez m aidez svp A=15:(18-15)-2x(9-2))
A=15:(18-15)-2x(9-2)
= 15:3 - 2 x 7
= 5 - 14 = -9
A = 15:3 - 2 x 7
A = 5 - 14
A = -9