Question

transformati in fractii ordinare ireductibile urmatoarele fractii zecimale periodice mixte:
a)10,1(6) b) 0,2(7) c) 0,8(3) d) 0,4(6) e) 0,7(2)

Answer 1

Răspuns:

10,1(6)=(1016-101)/90=915/90:5=183/18simplificăm cu3=61/6=10intregi si1/6

0,2(7)=(27-2)/90=25/90=5/18

0,8(3)=(83-8)/90=75/90=15/18=5/6

04(6)=(46-4)/90=42/90=21/45=7/15

0,7(2)=(72-7)/90=65/90=13/18