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2014-03-06T14:16:55+02:00
A+b+c=109
b=a+14
109-14=
cred ca nu ai scris toata problema
a+b+c=109
b=a+14;c=b+12;c=12+a+14=a+26; a+a+14+a+26=109; 3a+40=109;3a=109-40;3a=69;a=69:3;a=23;b=23+14=37;c=23+26=49
esti multumita?
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