Question

найдите значение выражения:
-9/40 + 13/50 + (-23/50) + 19/40 =

Answer 1

-9/40 + 13/50 + (-23/50) + 19/40 = 10/40 - 10/50 =1/4 - 1/5 = 5/20 - 4/20 = 1/20

Answer 2

СПС!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!