9,72+b+7.4+5.72+(-7.4)=b+15,44
при b=3 14/17=65/17
65/17+15 44/100=65/17+15 11/25=
=65/17+386/25=(65*25+386*17)/425=
=(1625+6562)/425=8187/425=19 112/425
9,72+b+7.4+5.72+(-7.4)=b+15,44
при b=3 14/17=65/17
65/17+15 44/100=65/17+15 11/25=
=65/17+386/25=(65*25+386*17)/425=
=(1625+6562)/425=8187/425=19 112/425