а) х+1/3=3/5, х=3/5-1/3, х=9/15-5/15, х=4/15
б) 1/3+х=5/12, х=5/12-1/3, х=5/12-4/12, х=1/12
в) х-3/20=1/5, х=1/5+3/20, х=4/20+3/20, х=7/20
г) х-3/7=4/21, х=4/21+3/7, х=4/21+9/21, х=13/21
д) 4/5-х=1/6, х=4/5-1/6, х=24/30-5/30, х=19/30
е) 5/8-х=1/3, х=5/8-1/3, х=15/24-8/24, х=7/24
а) х+1/3=3/5, х=3/5-1/3, х=9/15-5/15, х=4/15
б) 1/3+х=5/12, х=5/12-1/3, х=5/12-4/12, х=1/12
в) х-3/20=1/5, х=1/5+3/20, х=4/20+3/20, х=7/20
г) х-3/7=4/21, х=4/21+3/7, х=4/21+9/21, х=13/21
д) 4/5-х=1/6, х=4/5-1/6, х=24/30-5/30, х=19/30
е) 5/8-х=1/3, х=5/8-1/3, х=15/24-8/24, х=7/24