Răspuns :
Răspuns:a |---------|
b |---------|---------| } 55.
c |---------|---------|-15-|
55 - 15 - 40 ( 5 segmente egale cu a)
40 : 5 = 8 (a)
8×2=16 ( b)
16 +15 = 31 (c)
Răspuns:a |---------|
b |---------|---------| } 55.
c |---------|---------|-15-|
55 - 15 - 40 ( 5 segmente egale cu a)
40 : 5 = 8 (a)
8×2=16 ( b)
16 +15 = 31 (c)