Răspunsuri

2014-05-03T13:34:44+03:00
A+b=100
a=4b
4b+b=100
5b=100
b=100:5
b=20
a=100-20=80
2014-05-03T13:34:51+03:00
A=primul numar
b=al 2lea numar
a=4b
b+4b=100
5b=100⇒ b=100:5=20
a=4*20=80