Răspuns :
a-b = 14 => a = b + 14
a+b = 30
a _______+14
b _______
avem doua segmente egale +14 = 30
30 - 14 = 16
16:2 = 8 ( un segment)
a = 8 + 14 = 22
b = 8
verificare:
22 + 8 = 30
22-8 = 14
a = 22
b = 8
a+b = 30
a _______+14
b _______
avem doua segmente egale +14 = 30
30 - 14 = 16
16:2 = 8 ( un segment)
a = 8 + 14 = 22
b = 8
verificare:
22 + 8 = 30
22-8 = 14
a = 22
b = 8