Question

3/5 × 8/9 + 3/45 × 1/2 =

$( - \frac{1}{5}) {}^{2} + \frac{3}{5} \times \frac{7}{5} =$
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Answer 1

Explicación paso a paso:

$\frac{2}{15} + \frac{3}{90} = \frac{12 + 3}{90} = \frac{15}{90} = \frac{1}{6}$

$- \frac{1}{25} + \frac{21}{25} = \frac{ - 1 + 21}{25} = \frac{20}{25} = \frac{4}{5}$