42.a)2,35=235/100
b)3,(3)=3intr si 3/9=10/9=10/3
c)o,3(6)=(36-3)/90=33/90=11/30
d)2,(12)=2 intr si 12/99=2intr si4/33=70/33
44.a)x=(-7/42)<y=(-6/42)
b)x=(-3/4)>y=(-4/7)
c)x=(-21.28)<(-20/28)
45.a)x=275/100>y=264/100
b)x=400/330>396/330
c)x=(-4,54)<y=(-4,50)
46.
a)3 b)-2
