Question

Scrieti) sub forma de fractie ordinara numerele
a) 7,3=
b) 1,35=
c) 0,002 =
d) 1,(2)=
e) 21 ,(34) =
f) 2, (275)=
g) 4,5(6) =
h) 1,23 (13) =
i) 0,06(50) =

Answer 1

Răspuns:

a) 7,3 =  $\displaystyle \boxed{\frac{73}{10} }$

b) 1,35=  $\displaystyle \boxed{\frac{135}{100} }$

c) 0,002 =  $\displaystyle \boxed{\frac{2}{1000} }$

d) 1,(2)=  $\displaystyle \frac{12-1}{9} = \boxed{\frac{11}9 }$

e) 21 ,(34) =  $\displaystyle \frac{2134-21}{99} = \boxed{\frac{2113}{99} }$

f) 2, (275)=  $\displaystyle \frac{2275-2}{999} = \boxed{\frac{2273}{999} }$

g) 4,5(6) =  $\displaystyle \frac{456-45}{90} = \boxed{\frac{411}{90} }$

h) 1,23 (13) =  $\displaystyle \frac{12313-123}{9900} = \boxed{\frac{12190}{9900} }$

i) 0,06(50) = $\displaystyle \frac{650-6}{9900} = \boxed{\frac{644}{9900} }$