Răspunsuri

2014-09-03T12:42:20+03:00
A+b+c=1000
a=b/4
c=b/4+b

b/4+b/4+b+b=1000
b/2+2b=1000 | *2
b+4b=2000
5b=2000
b=400
a=100
c=500
a+b+c=1000
a=b 4
c=b 4+b

b/4+b/4+b+b=1000
b/2+2b=1000 | *2
b+4b=2000
5b=2000
b=400
a=100
c=500