uses crt;
begin
clrscr;
write ('(2+3)*4-7 8/2+6/4');
readln;
end.
write('(2 + 3) * 4 - 7 8 / 2 + 6 / 4');
readln
Cause of pollution
/ \
Non_ point source point _ source
polltant pollution
/\ \ /\ \
/ \ \ / \ \
... ... ... ... ... ...
Effect._ people die
/disease cholera
Mn giup mk với ạ
....
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.