Question

-815 * (-1415)
--------------------
- 1625


-38 * (-910)
-------------------
-2732

Answer 1

(-8/15*(-14/15))/-16/25=(112/225)/(16/25)=-7/9
(-3/8*(-9/10))/-27/32=(27/80)/(-27/32)=-2/5

Answer 2

Спасибо