Răspuns :
a + b =123
83 - 49 =34(diferenta)
a + 34 = 123
a =123 -34
a=89
b=123 -89
b=34
83 - 49 =34(diferenta)
a + 34 = 123
a =123 -34
a=89
b=123 -89
b=34
b |-----|
suma=123+43+83=255
a |-----|-----|
3p=255
1p=255÷3
1p=85
b=85
a=85×2
a=170
suma=123+43+83=255
a |-----|-----|
3p=255
1p=255÷3
1p=85
b=85
a=85×2
a=170