Предмет: Математика, автор: boykonatalya126

знайдіть корінь рівняння:
$1) \frac{6}{5} x = \frac{3}{5}$
$2)x \div \frac{7}{15} = \frac{15}{28}$
$3)5 \frac{1}{4} \div x = \frac{7}{8}$

даю 25б

Ответы

Автор ответа: azizacfrzade

1

$1) \frac{6}{5} x = \frac{3}{5} \\ x = \frac{3}{5} \times \frac{6}{5} \\ x = \frac{18}{25}$

$2)x \div \frac{7}{15} = \frac{15}{28 } \\ x = \frac{15}{28} \times \frac{7}{15} \\ x = \frac{1}{4}$

$3)5 \frac{1}{4} \div x = \frac{7}{8} \\ x = 5 \frac{1}{4} \div \frac{7}{8} \\ x = 12$

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