Réponses

2014-10-27T19:49:11+01:00
F = 9-(-7)x(-6)+12+(-8)x5+5
= 9 - 42 +12 - 40 + 5
= -56
2014-10-27T19:50:06+01:00
F = 9-(-7)x(-6)+12+(-8)x5+5
f = 9  -42  +12 -40 +5
f =  -42-40 +12+5+9
f = - 82 +26
f =  -56