Răspuns :

(10/8+8/8)x1/7=
18/8 x 1/7=
9/4 x 1/7= 9/28
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Răspuns:

[tex]( \frac{5}{4} + \frac{8}{8} ) \times \frac{1}{7} \\ = (\frac{10}{8} + \frac{8}{8} ) \times \frac{1}{7} \\ = \frac{18}{8} \times \frac{1}{7} \\ = \frac{18}{56} = \frac{9}{28} [/tex]

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