Răspunsuri

2014-09-28T13:34:00+03:00
A+b+c=4500
a=2b
c=b+5
2b+b+b+5=4500
4b=4495
b=1123,75
a=2x1123,75
a=2247,5
c=1123,75+5
c=1128,75
proba
2247,5+1123,75+1128,75=4500
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2014-09-28T13:48:14+03:00
A+b+c=4500
b=2xa
c=b+5
c=2xa+5

a+2xa+2xa+5=4500
5xa=4500-5
5xa=4495
a=4495/5
a=899
b=2x899
b=1798
c=1798+5
c=1803

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