Question

Se considera x=0,6 si y=0,(6).Calculati:
a) raportul numerelor x si y.
b) rapotul dintre x la putere 2 si y la puterea 2

Answer 1

a) x/y

x=0.6=6/10=3/5
y=0.(6)=6/9=2/3

3/5/2/3=
3/5:2/3=
3/5*3/2=9/10

b)
x^2=(3/5)^2=9/25
y^2=(2/3)^2=4/9

x^2/y^2=9/25/4/9
9/25:4/9=
9/25*9/4=
81/100