Question

transformați fractiile zecimale in fractii ordinate si calculați
0,(6)+4supra3=
0,1(3)+0,9(3)=
0,(75)+8supra33=
12 supra 33+0,(63)=
ajutati-mă urgent dau coroana
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Answer 1

Răspuns:

$0.(6) = \frac{6}{9} = \frac{2}{3} \\ \frac{2}{3} + \frac{4}{3} = \frac{2 + 4}{3} = \frac{6}{3} = 2$

$0.1(3) = \frac{13 - 1}{90} = \frac{12}{90} = \frac{4}{30} = \frac{2}{15} \\ 0.9(3) = \frac{93 - 9}{90} = \frac{84}{90} = \frac{28}{30} = \frac{14}{15 } \\ \frac{2}{15} + \frac{14}{15} = \frac{16}{15}$

$0.(75) = \frac{75}{99} = \frac{25}{33} \\ \frac{25}{33} + \frac{8}{33} = \frac{33}{33} = 1$

$0.(63) = \frac{63}{99} = \frac{21}{33 } \\ \frac{12}{33} + \frac{21}{33} = \frac{33}{33} = 1$

Sper ca te.am ajutat si coronita ar fi bine venita :)