Răspuns :
a |---|---|---|+4|
b |---| } 56.
56 - 4 = 52 ( 4 segmente egale)
52 : 4 = 13 (b)
13 x 3 +4 = 43 (a)
Proba : 43 + 13 = 56 .
b |---| } 56.
56 - 4 = 52 ( 4 segmente egale)
52 : 4 = 13 (b)
13 x 3 +4 = 43 (a)
Proba : 43 + 13 = 56 .