Răspuns :
(a+b)/2=5.425
a-b=7.65
a=7.65+b
(7.65+b+b)/2=5.425
2b+7.65=5.425*2
2b=10.85-7.65
2b=3.2
b=3.2/2 = 1.6
a=7.65+1.6 = 9.25
(a+b)/2=5.425
a-b=7.65
a=7.65+b
(7.65+b+b)/2=5.425
2b+7.65=5.425*2
2b=10.85-7.65
2b=3.2
b=3.2/2 = 1.6
a=7.65+1.6 = 9.25