Question

Помогите прошу!! Даю 17 баллов

1) $\frac{7}{18} \times \frac{27}{28}$

2) $1 \frac{3}{17} \times 2 \ \frac{4}{15}$

3) $0.6 \times 1 \frac{7}{18} - ( \frac{1}{3}) {}^{2}$

4) $21\times \frac{3}{7}$
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Answer 1

Ответ:

1.

$\frac{7}{18} \times \frac{27}{28} = \frac{3}{8}$

2.

$\frac{20}{17} \times \frac{34}{15} = \frac{8}{3}$

3.

$0.6 \times \frac{25}{18} - \frac{1}{9} = \frac{5}{6}$

4.

$21 \times \frac{8}{7} = 24$