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Ofer 55 de puncte si cororana.
Calculati:
[tex]( - 2) {}^{ - 2} + 0.5 - 0.(6)[/tex]


Răspuns :

Răspuns:

[tex]( - 2 )^{ - 2} = \frac{1}{ (- 2) ^{2} } = \frac{1}{4} [/tex]

[tex]0.5 = \frac{1}{2} [/tex]

[tex]0.(6) = \frac{6}{9} = \frac{2}{3} [/tex]

[tex] \frac{1}{4} + \frac{1}{2} - \frac{2}{3} = \frac{(3 + 6 - 8)}{12} = \frac{1}{12} [/tex]