Ответ: 24212/34=712 4/34=712 2/17.
Пошаговое объяснение:
В) 75/100 + 3/4= 75+2*25/100=125/100=1,25
Г) 1/3 + 2/10= 1*10+2*3/30=16/30
= 27/30 + 8/30 = 35/30 = 1 5/30 = 1 1/6
52/91=4/7
42/49=6/7
40/72=5/9
56/64=7/8
21/91=3/13
28/42=2/3
18/51=6/17
68/85=4/5
42/54=7/9
72/81=8/9
20/45=4/9
12/72=1/6
136/170=4/5
21/108=7/36
24/36=2/3
48/68=12/17
18/72=1/4
24/70=12/35
110/154=5/7
36/60=3/5