SergioTor
1) 25 3/26
2) 3
1) 44 4/7:1 31/35:3 5/33+17 8/13=
312/7:66/35:104/33+229/13=
312/7*35/66*33/104+229/13=
3*5/2+229/13=
15/2+229/13=
653/26=26 3/26
2) 23 1/18:9 2/9:2 12/54+2 18/35:1 13/42=
415/18:83/9:125/54+88/35:55/42=
415/18*9/83*54/125+88/35*42/55=
5*9*3/125+8/5*6/5=
9*3/25+48/25=
27/25+48/25=
3
Dorigda