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Transforma fractiile zecimale periodice mixte in fractii ordinare a)1,1 (6) b)2,708(3) c)1,25(72)

Răspuns :

a) 1,1(6)=116-11/90=105/90
b) 2,708(3)=27083-2708/9000=24375/9000
c) 1,25(72)=12572-125/9900=12447/9900

/ = linie de fractie