ответ: а) 4/15:11/75=4*75/(15*11)=20/11
б) 9/25:2 3/5 =9/25:13/5=9*5/(25*13)=9/65
в) 1 4/9:1 1/5=13/9:6/5=13*5/(9*6)=65/54
г) 4/5:4:1 4/5=4/5:4:9/5=4:20:9
д) 3/5:1/4:7/12=3*4/(5*1):7/12=12:5:140/12=12:5:11 2/3=12:5:35/3=36:15:35
е) 2/5:3/4:5/12=48/120:90/120:50/120=48:90:50=24:45:25
ж) 6:1 4/8:8/12=6:12/8:8/12=288:72:32=144:36:16=36:9:4
з) 2 1/3:3 2/3:4/9 =7/3:11/3:4/9=21/9:33/9:4/9=21:33:4
и) 14/15:2 2/6:12=14/15:14/6:12=28/30:70/30:360/30=28:70:360=14:35:180.
Пошаговое объяснение:
ответ: а) 4/15:11/75=4*75/(15*11)=20/11
б) 9/25:2 3/5 =9/25:13/5=9*5/(25*13)=9/65
в) 1 4/9:1 1/5=13/9:6/5=13*5/(9*6)=65/54
г) 4/5:4:1 4/5=4/5:4:9/5=4:20:9
д) 3/5:1/4:7/12=3*4/(5*1):7/12=12:5:140/12=12:5:11 2/3=12:5:35/3=36:15:35
е) 2/5:3/4:5/12=48/120:90/120:50/120=48:90:50=24:45:25
ж) 6:1 4/8:8/12=6:12/8:8/12=288:72:32=144:36:16=36:9:4
з) 2 1/3:3 2/3:4/9 =7/3:11/3:4/9=21/9:33/9:4/9=21:33:4
и) 14/15:2 2/6:12=14/15:14/6:12=28/30:70/30:360/30=28:70:360=14:35:180.
Пошаговое объяснение: