Tính
$a . \frac{5}{6} + \frac{7}{12}$
$b . \frac{9}{16} - \frac{3}{8}$
$c . \frac{4}{7} x \frac{5}{8}$
$d . 3 : \frac{5}{7}$

Question

$a . \frac{17}{12} b . \frac{3}{16}$

$c . \frac{20}{56} d . \frac{21}{5}$

Answer 1

Trả lời:

Giải bởi Vietjack

$a . \frac{17}{12} b . \frac{3}{16}$

$c . \frac{20}{56} d . \frac{21}{5}$

Tínha. 56+712b.916-38c. 47x58d. 3:57