Question

решите
5400 - 2800: (42:6) =

Answer 1

5400 - 2800 / (42/6) = 5000. 
Ответ - 5000.

Answer 2

1)42/6=7
2)2800/7=400
35400-400=5000

5000

Answer 3

*3)5400-400=5000