Răspunsuri

2014-10-11T10:47:06+03:00
Notam s varsta lui Sandel , i varsta Irinei si a varsta Ancutei 
s=3i 

s=2a
3i=2a
a=3/2*i 

a+s+i=44
3/2*i+3i+i=44
3/2*i+4i=44
3/2*i+8/2*i=44
11/2*i=44
i=44/11*2
i=8

s=24
a=12
Irina are 8 ani , Anca 12 si Sandel 24.
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