Réponses

2014-09-08T20:44:08+02:00
F= 5,5 x 100 + 230 - 10 - 57 x 4
   = 550 + 230 - 10 - 228
    = 780 - 10 - 228
    = 770 - 228
   = 542

 G= 5,5 - 100 -230 x 10 - 57 x 4
  =5,5 - 100 - 2300 - 228
  =-94,5 - 2300 - 228
  =- 2622,5
 
H= 3 - 1,25 x 1000 - 7500 - 10 + 97
  = 3 - 1250 - 7500 - 10 + 97
  = - 6247 - 10 + 97
  = -6160
2014-09-08T20:56:23+02:00
Bonsoir

f = 550 +230 -10 - 228
F = 780 - 238
F = 542

G = 5.5 -100 -2300 - 228
G = 5.5 - 2628 = 2622.5

H = 3 - 1250 -7500 -10 +97
H = 100 - 8760 = - 8660

N = 38-22 = 16
P = 20 x 50 = 1000
Q = 10 + 14 = 24
R = 140 x 1.5 = 210
S = 6 + 9 + 6.1 = 21.1
T = 25 x 10 x 35.2 = 250 x 35.2 = 8800