Question

помогите
28360:(u-52890)=40

Answer 1

28.360 : (u - 52.890) = 40
u - 52.890 = 28.360 : 40
u - 52.890 = 709
u = 709 + 52.890
u = 53.599

проверка:
28.360 : (53.599 - 52.890) = 40
28.360 : 709 = 40
40 = 40

Answer 2

СПАСИБО БОЛЬШОЕ !!!!!!!!!!!

Answer 3

не за что...