va rooooooog dau corooooooană repede
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notam nr cu a, b si c
a+b+c= 25450
a= 2/5 dib 25450= 2×(25450:5)
a= 2×5090
a= 10180
b=c= 1/2 din R- R-este rest
25450-10180= 15270
b=c=15270:2
b=c=7625
verificare: 10180+7625+7625=25450