Question

VA ROG FRUMOS EXERCITIUL ACESTA

Answer 1

   

Pentru transformarea fractiilor ordinare in fractii zecimale, vom face operatiile in sens invers fata de operatiile de transformarea fractiilor zecimale in fractii ordinale.

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$\displaystyle\bf\\1)\\\\\frac{^{4)}9}{~~25}=\frac{36}{100}=0,\!36~~(Corespunde~cu~punctul~c.)\\\\\\2)\\\\\frac{^{3)}11}{30}=\frac{33}{90}\implies\frac{33+3}{90}\implies\frac{36}{90}\implies0,\!3(6)~~(Corespunde~cu~punctul~d.)\\\\Atentie!\\\\Fractiiile: \frac{33+3}{90}~~si~~\frac{36}{90}~~nu~sunt~egale~cu~ 0,\!3(6)\\\\Sunt~constructii~necesare~pentru~rezolvarea~problemei.\\\\\\3)\\\\\frac{^{9)}4}{~~11}=\frac{36}{99}=0,\!(36)~~(Corespunde~cu~punctul~a.)$