Răspunsuri

2014-09-27T17:24:36+03:00
 \\  x^{2}   x+x+3+x+5+x+7=264     4x=249    x=62,25
x1=62,25+3=65,25
x2=62,25+5=67,25
x3=62,25+7=69,25