Răspunsuri

2014-09-18T18:12:16+03:00
A+b+c=?
a=b*4
b=a-18=b*4-18
c=a:b=b*4:b*4-18
4b+4b-18+4b:4b-18
9b=18+18
b=36:9
b=4
a=b*4=4*4
a=16
c=a:b=16:4
c=4
16+4+4=24