a)
[tex]0.(3) = \frac{3}{9} {}^{(3} = \frac{1}{3} [/tex]
[tex] \frac{1}{3} + \frac{1}{3} = \frac{2}{3} [/tex]
b)
[tex]0.(36) = \frac{36}{99} {}^{(9} = \frac{4}{11} [/tex]
[tex] \frac{4}{11} + \frac{3}{11} = \frac{4 + 3}{11} = \frac{7}{11} [/tex]
c)
[tex]0.1(21) = \frac{121 - 1}{990} = \frac{120}{990} {}^{(10} = \frac{12}{99} {}^{(3} = \frac{4}{ 33} [/tex]
[tex] \frac{25}{33} - \frac{4}{33} = \frac{25 - 4}{33} = \\ \\ = \frac{21}{33} {}^{(3} = \frac{7}{11} [/tex]
d)
[tex]1.4(53) = \frac{1453 - 14}{990} = \frac{1439}{990} [/tex]
[tex] \frac{1439}{990} - {}^{9)} \frac{153}{110} = \frac{1439}{990} - \frac{1377}{990} = \\ = \frac{1439 - 1377}{990} = \\ \\ = \frac{62}{990} {}^{(2} = \frac{31}{495} [/tex]
…ᘛ⁐̤ᕐᐷฅ^•ﻌ•^ฅฅ^•ﻌ•^ฅ
