Question

coroână..scrieti sub forma de fractie numarul zecimal periodic mixt:
a)2,3(4); b) 16,1(8); c) 30,0(1) ; d)12,12(12)

Answer 1

a)2,3(4)=(234-23)90=211/90
b)16,1(8)=(1618-161)/90=1457/90
c)30,0(1)=(3001-300)/90=2701/90
d)12,12(12)=(121212-1212)/90=120000/90=4000/3