Răspunsuri

2014-05-12T15:03:34+03:00
A+b+c=180
a=90
b+c=90
b=5k
c=13k

5k+13k=90
18k=90
k=90:18
k=5

b=5*5
b=25 grade

c=13*5
c=65 grade
:3 multumesc !
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