bonjour
A=12+8x5-4+16 + 2 = 12 + 40 + 12 = 64
B=17-(3+8–5) = 17 - 6 = 11
C=18+4x(7x2–6) = 18 + 4 ( 14 - 6 ) = 18 + 4 * 8 = 18 + 32 =
D=75–(6+3x10)-9 = 75 - ( 6 * 30 ) - 9 = 75 - 180 - 9 =
E=3200x0,01x100-100 = 32 x 100 - 100 = 3200 - 100
continue rien de compliqué