Casaxan247ask
a fost răspuns

2. Transformati fractiile zecimale periodice simple in fractii ordinare.

a) 4,(5)
0,(2)
2,(3)

b) 0,(32)
2,(53)
26,(36)

c) 0,(321)
2,(531)
26,(365)

Răspuns :

Caramansimo60ask

Răspuns:

a)4, (5)=45-4/9=41/9

0, (2)=2/9

2, (3)=23-2/9=21/9

b)0, (32)=32/99

2, (53)=253-2/99=251/99

26, (36)=2636-26/99=2610/99

c)0, (321)=321/999

2, (531)=2531-2/999=2529/999

26, (365)=26365-26/999=26339/999