Question

2intregi si 2pe 9ori 6pe25-2pe27ori9pe8
2intregi s1pe2•1pe3+2pe9

Answer 1

=[(2·9+2)/9]·6/25-1/3·1/4=
=20/9·6/25-1/12=
=4/3·2/2-1/12=
=8/6-1/12=(16-1)/12=15/12=5/4=1,25

2 intregi1/2·1/3+2/9=
(2·2+1)/2·1/3+2/9=
5/2·1/3+2/9=
5/6+2/9=
(15+4)/18=19/18=1,0(5)