Salut,
a)
45+15:5-18:3=
45+3-6=
48-6=42 (S)
106-5*4-4*9=
106-20-36=
86-36=50 (E)
b)
(81+19):10:10*1=
100:10:10*1=
10:10=1 (V)
9*7-(25+7*3)=
9*7-(25+10)=
9*7-35=
63-36=17 (E)
c)
(14+67):9+21+3*7=
81:9+21+21=
9+21+21=
30+21=51(L)
100-(63:7+56:8):4=
100-(9+7):4=
100-16:4=
100-4=96 (I)
By 266y67x
