Răspunsuri

2014-10-08T17:59:14+03:00
A+a+0,2+a+0,4+a+0,6=10
4a+1,2=10
4a=8.8 ⇒
a=2.2
a+2=
4.2
a+
4=6.2
a+6=8.2



2 3 2