Question

Вычистите а)7/25+8/15; б)7/25:8/15;в)7/25-8/15*7/24

Answer 1

А) (105+200)/375=305/375=61/75
б) 7*15/25*8=21/40
в) 7/25-8*7/15*24=7/25-7/45= (375-175)/1135=140/1125=28/225