4 13/25+2/15= 6 1/12+1/18= 5 3/10+11/15 9 5/24+35/36 срочно!!!!
4 13/25+2/15=113/25+2/15=339/75+10/75= =349/75=4 49/75 6 1/12+1/18=73/12+1/18=219/36+2/36= =221/36=6 5/36 5 3/10+11/15=53/10+11/15=159/30+22/30= =181/30=6 1/30 9 5/24+35/36=221/24+35/36=663/72+70/72= =733/72=10 13/72