Question

Умножь дробь 9z/7*2/ 33z

Answer 1

$cfrac{9z}{7}* cfrac{2}{33z}= cfrac{3}{7}* cfrac{2}{11}= cfrac{6}{77}$

Answer 2

9z*2. 18z. 6
-------- = ------- = ---
7*33z. 231z. 77