Sagot :
bonjour
8 - ( - 15 + 10 ) x 2
= 8 - ( - 5 ) x 2
= 8 - ( - 10) = 8 + 10 = 18
( - 8 ) + 2 x ( - 5 ) + 9
= - 8 - 10 + 9
= - 9
bonjour
8 - ( - 15 + 10 ) x 2
= 8 - ( - 5 ) x 2
= 8 - ( - 10) = 8 + 10 = 18
( - 8 ) + 2 x ( - 5 ) + 9
= - 8 - 10 + 9
= - 9