а) 3/14-9/17-8/17+1/14=-5/7
3/14+1/14=4/14=2/7
-9/17-8/17=-1
-1+2/7=-5/7
б) 9/19-4/5-3/5+10/19=-2/5
9/19+10/19=19/19=1
-4/5-3/5=-7/5=-1 2/5
1-1 2/5=-2/5
а) 3/14-9/17-8/17+1/14=4/14-1/17=68/238-14/238=54/238=27/119
б) 9/19-4/5-3/5+10/19= 1-1/5=4/5
а) 3/14-9/17-8/17+1/14=-5/7
3/14+1/14=4/14=2/7
-9/17-8/17=-1
-1+2/7=-5/7
б) 9/19-4/5-3/5+10/19=-2/5
9/19+10/19=19/19=1
-4/5-3/5=-7/5=-1 2/5
1-1 2/5=-2/5
а) 3/14-9/17-8/17+1/14=4/14-1/17=68/238-14/238=54/238=27/119
б) 9/19-4/5-3/5+10/19= 1-1/5=4/5