Réponses

2013-10-24T20:55:12+02:00
D = 8x(-34,56)x(-1)x0,125
   = (8x0,125)x(-1)x(-34,56)
   = 1x(-1)x(-34,56)
   =34,56
E = -2+12,8-8+3,71+0,2
   =(-2-8)+(12,8+0,2)+3,71
   = (-10)+13+3,71
   =3+3,71=6,71
2013-10-24T21:01:48+02:00
D = 8 x ( -34,56 )( -1 ) x 0,125
= 1 x 34,56
= 34,56

E = -212,8 - 8 + 3,71 + 0,2
= -10 + 13 + 3,71
= 3 + 3,71
= 6,71