Question

[Đào Ánh Giang]

xxx-x x105 =30

           ok bye

xxx là số tự nhiên

huhuhuhuhuhuhuhuhuhuhuhuhuhu!

Answer 1

[ঔ#@↭BTS↭game↭free fire↭@#⁀ᶦᵈᵒᶫ]

lớp 3 ?????????

Answer 2

[《 ღ Ňɠʉүêŋ ➻ Ňɠʉүêŋ ღ 》]

xxx - x . 105 = 30

x . 100 + x . 10 + x . 1 - x . 105 = 30

x . 111 - x . 105 = 30

x . ( 111 - 105 ) = 30

x . 6 = 30

x      = 30 : 6

x      = 5

Vậy xxx = 555 ; x = 5