номер 835


Буква (а,б,в,г,л,е)




Срочно!!!

A) 1/6 + 1/9 = 3/18 + 2/18 = 5/18Б) 2/9 + 5/6 = 4/18 + 15/18 = 19/18В) 2/9 + 3/8 = 16/72 + 27/72 = 43/72 Г) 2/10 + 6/15 = 1/5 + 2/5 = 3/5 Л) 7/450 + 8/180 = 7/450 + 2/45 = 7/450 + 20/450 = 27/450 = 3/50 Е) 5/12 + 4/15 = 25/60 + 16/60 = 41/60

а)1/6+1/9 приводим к общему знаменателю 9/54+6/54=15/54б)2/9+5/6=12/54+45/54=57/54=1целая 3/54в)2/8+3/8=16/72+27/72=43/72г)2/10+6/15=6/30+12/30=18/30=9/15л)7/450+8/180=14/900+40/900=54/900=27/450е)5/12+4/15=25/60+16/60=41/60/ дробная черта