Răspuns:
Explicație pas cu pas:
a) 1,8(3) ; d) 2,08(3); b)2,1(6); e) 0,3(18); c) 0,6(1); f) 0,11(36)
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a) 1,8(3) = (183-18)/90 = 165/90⁽⁵ = 33/18⁽³ = 11/6
b) 2,1(6) = (216-21)/90 = 195/90⁽⁵ = 39/18⁽³ = 13/6
c) 0,6(1) = (61-6)/90 = 55/90⁽⁵ = 11/18
d) 2,08(3) = (2083-208)/900 = 1875/900⁽⁵ = 375/180⁽⁵ = 75/36⁽³ =
= 25/12
e) 0,3(18) = (318-3)/990 = 315/990⁽⁵ = 63/198⁽³ = 21/66⁽³ = 7/22
f) 0,11(36) = (1136-11)/9900 = 1125/9900⁽²⁵ = 45/396⁽⁹ = 5/44
