Răspunsuri

2014-08-29T11:46:02+03:00
A=17
b=a+9
c=a+b
a+b+c=?
b=a+9->b=17+9=26
c=a+b=43
a+b+c⇔17+26+43=86
2014-08-29T11:48:58+03:00