Question

xxx-xx-x-25=4430

Answer 1

\(xxx-xx-x-25=443\)\(0\)

\(xxx-xx-x=4430-\)\(25\)

\(xxx-xx-x=4405\)

\(x=4405:5\)

\(x=881\)

\(Thử\)\(lại\)\(:\)

\(881.881.881\)\(-881.881\)\(-881-25\)

\(=683797841\)\(-776161\)\(-881-25\)

\(=683021680-881\)\(-25\)

Answer 2

\(Mình\)\(nhầm\)\(cho\)\(xin\)\(lỗi\)\(nhé\)