A) 20 x 12+16
= 240+16
=256
B) j’ai pas compris ?
C) 24-4 x 2-3
= 24-8-3
=24-11
=13
D) 30 -6 x 5 x 2 -10
= 30 -6 x 10 -10
= 30 -60 -10
= 30 -70
= -40
————-
A) 22-9-3
=22-11
=11
B) j’ai pas compris
C) 215 -14 +1 +3 -7
=216 -21 +3
=219 -21
=198
D) j’ai pas compris
E) 1600 -16 -2
= 1600 -18
= 1582
F) 37,3 -18,3 +10
= 47,3 -18,3
=26
———-
a) 13+5 -2 = 16
b) 13+5+2 = 20
c) 13-5-2 = 6
d) 13-5+2 = 10