[12+3(16: f:4)x3]:7:3=1

Răspuns :

[12+3(16: f:4)x3]:7:3=1
[12+3(16: f:4)x3]:7 = 3
12+3(16:f:4)x3 = 21
3(16:f:4)x3 = 9
3(16:f:4) = 3
16:f:4 = 1
16:f = 4
f = 16:4
f = 4