Bonjour,
A=(12+3)x(10+3)
12*10 +12*3 +3*10 + 3*3 =
120 +36 +30 + 9 = 195
B= (10-2)+5x(3+4)
10-2 +5*3 + 5*4 =
8 +15 +20 = 43
C=[2X(7-2)]+2
2*5 +2
10+2 = 12
D=12+[11-15-14)]
12 -18 = -6
E=( 120+9)-55-5x(14-4)
111 -55 -5* 10
111-55 -50 = 6
F= [(1,3+2,7)X9] -3+(8+11)
4*9 - 3 +19 =
36 +16 = 52
