Răspunsuri

2014-11-11T21:20:25+02:00
(a+b+c)/3=37 => a+b+c=37*3
Ma=(a+b+c+25)4=(37*3+25)4
(a+b+c):3=37 (a+b+c+25):4 =? a+b+c= 37*3 => a+b+c= 111 (111+25 ) :4 = 136 :4 = 34
a+b+c+25=
=Ma a,b,c,25=suma(a+b+c+25)/4=(37*3+25)/4 .......
2014-11-11T21:22:42+02:00