Question

пжл помогите решить (13/30-11/20)*9/5

Answer 1

26/60-33/60=-7/60
-7/60*9/5=-63/300=-21/100=-0,21

Answer 2

1) 13/30 - 11/20 = 26/60 - 33/60 = - 7/60
2) - 7/60 • 9/5 = - 21/100 = - 0,21
Ответ ( - 0,21 )