438 : 2 x 68 , 765 - 75 x 67
Chào tất cả mn......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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tui đi ngủ !
haha cho mk hỏi tế nhị, BẠN RẢNH QUÁ À????????????
rảnh lắm
438 : 2 x 68=14892
765 - 75 x 67=46230
##hoktot##
a.14892
b.-4260
mình cũng rảnh
(438 : 2) x 68= 14892
765 - (75 x 67) = -4260
năm 2019 ả