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Numărul b=1.25 :(4/5)-² +1.(6)+0.1(6) este???

Răspuns :

[tex] \frac{125}{100} * \frac{25}{16} + \frac{15}{9} + \frac{15}{90} [/tex]
[tex] \frac{125}{64} + \frac{5}{3} + \frac{1}{6} [/tex]
[tex] \frac{375+192+32}{375} = \frac{599}{375} [/tex]