CORRIGÉ

G = 55+5-1x9 ; H = (800-600) :5 ; I = ((8x9)-3) +5. Correction : G = 55+5-1x9 ... M= [ 6 + ( 3 x 6 + 2 ) - 5 ] x 4 : 2. M= [ 6 + ( 18 + 2 ) - 5 ] x 4 : 2. M ...