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Efectuati urmatoareke transformari
Ma ajutati va rog
3,(2)=
0,(225)=
1,1(3)=
0,7(3)=


Răspuns :

[tex]3.(2) = 3 \frac{2}{9} = \frac{3 \times 9 + 2}{9} = \frac{27 + 2}{9} = \frac{29}{9} [/tex]

[tex]0.(225) = \frac{225}{999} = \frac{75}{333} = \frac{25}{111} [/tex]

[tex]1.1(3) = 1 \frac{13 - 1}{90} = 1 \frac{12}{90} = \frac{1 \times 90 + 12}{90} = \frac{90 + 12}{90} = \frac{102}{90} = \frac{51}{45} = \frac{17}{15} [/tex]

[tex]0.7(3) = \frac{73 - 7}{90} = \frac{66}{90} = \frac{22}{30} = \frac{11}{15} [/tex]