1/
a/ (sqr(a)+1)–3/a
b/ (3+5)/6+sqr(2)*(2*3)
c/ x +sqr(y)
d/ 15*(4+30+ 12)
2/
a/ 125 mod 7=6
b/ 63 div 8=7.
c/ 27 div 4=6
d/ 1024 mod 2=0
3/
Program BTH;
Uses crt;
Var t,h,s:real;
Begin
clrscr;
Write('Nhap canh day: ');readln(t);
Write('Nhap chieu cao: ');readln(h);
s:=t*h*1/2;
Write('Dien tich tam giac la: ',s:0:0);
readln;
End.