Răspuns :
I = a
II = 3a
III = 3a + 10
871 - 10 = 861 ( 7 parti egale)
861 : 7 = 123 (I)
123 ori 3 = 369 (II)
369 + 10 = 379 (III)
II = 3a
III = 3a + 10
871 - 10 = 861 ( 7 parti egale)
861 : 7 = 123 (I)
123 ori 3 = 369 (II)
369 + 10 = 379 (III)
a+b+c=871
a |-----|
b |-----|-----|-----|
c |-----|-----|-----|---|
+10
871-10=861
7 segmente: 861:7=123 (1 segm.)
a=123
b=123x3; b=369
c=369+10; c=379