Réponses

2013-09-17T20:07:57+02:00
R = 81.53 X 93 - 12 X 81.53 + 19 X 81.53
= 7582,29 - 978,36 + 1549,07
= 6603,93 + 1549,07
= 8153

P= 11-(-8)-7+(9)-(+7)+5
= 19 - (-2) - 12
= 21 - 12
= 9

L=7X4X3.2X2.5X0.01
= 28 x 8 x 0,01
= 224 x 0,01
= 2,24