2 2/5:3 1/3=x:3.5 и 20-18.6:(6 11/15-4 3/20) и 1/6x-3/8x=-1.37+0.82 и 7.6:x=2 1/9:2 4/9 gkbpppppppppppppppppppppppppp

2 2/5:3 1/3=x:3.5 12/5:10/3=x:3.5 12/5*3/10=x:3.5 36/50=x:3.5 18/25=x:3.5 х=18/25*3,5 х=63/25 х=2,52 20-18.6:(6 11/15-4 3/20) =12,8 по действиям 6 11/15-4 3/20 =2 11/15- 3/20 =2 44/60- 9/60 =2 35/60=2 7/12 18,6:2 7/12=18 6/10: 31/12=18 3/5*12/31=93/5*12/31=3/5*12/1=36/5= =7 1/5=7,2 20-7,2=12,8 1/6x-3/8x=-1.37+0.82 4/24x-9/24x=-0,55 -5/24х=-0,55 5/24х=0,55 х=0,55:5/24 х=0,55*24/5 х=0,11*24/1 х=2,64 7.6:x=2 1/9:2 4/9  х=7,6*2 4/9:2 1/9 х=7,6*22/9:19/9 х=7,6*22/9*9/19 х=7,6*22/1*1/19 х=0,4*22/1*1/1 х=8,8