Câu 1 :
a) a * a / b
⇒ $\dfrac{a²}{b}$
b) 3[b (a² + c²) - 1]
⇒ 3 * (b * (a * a + c * c) - 1)
c) (1 / a) * (b / c)
⇒ $\dfrac{b}{a.c}$
d) z * (2 * x * (x + 2) - y)
⇒z.[2x(x + 2) - y]
Câu 2 :
Var a : real;
Begin
writeln('Nhap vao 1 so thuc ');
Readln(a);
If(a mod 2 <> 0) then writeln('a la so le')
Else writeln('a la so chan');
Readln
End.