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1:
uses crt;
var t,x,i,n:integer;
begin
clrscr;
t:=0;
n:=10;
for i:=1 to n do
begin
readln(x);
t:=t+x;
end;
write(t);
readln;
end.
2:
uses crt;
var dem,x,i,n:integer;
begin
clrscr;
dem:=0;
n:=10;
for i:=1 to n do
begin
readln(x);
if x mod 2=0 then inc(dem);
end;
write(dem);
readln;
end.
3
program Cacsole;
uses crt;
var M, N, i: integer;
begin
clrscr;
write ('Nhap M= '); readln(M);
write ('Nhap N= '); readln(N);
for i := M to N do
if i mod 2 = 1 then
write (i,' ');
readln;
end.
Var a:array[1..100] of integer;
i,n:integer;
s:longint;
tbc:real;
Begin
Repeat
Write('n = ');readln(n);
Until (n>0) and (n<=100);
For i:=1 to n do
Begin
Write('Nhap phan tu thu ',i);readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln
End.
Var a:array[1..200] of integer;
i,n,s:integer;
tbc:real;
Begin
Write('Nhap so luong so n = ');readln(n);
For i:=1 to n do
Begin
Write('Nhap so thu ',i,' = ');readln(a[i]);
s:=s+a[i];
End;
tbc:=s/n;
Write('Trung binh cong la ',tbc:10:2);
Readln;
End.
var m,n: integer;
begin
writeln(' nhap so nguyen a: ');
read(a);
writeln(' nhap so nguyen b: ');
read(b);
writeln((m + n)/2);
readln;
end.
Program Trungbinhcong;
Uses crt;
Var a,b,c,d,tb: integer;
Begin
Clrscr;
Write('Nhap so thu nhat:'); Readln(a);
Write('Nhap so thu hai:'); Readln(b);
Write('Nhap so thu ba:'); Readln(c);
Write('Nhap so thu tu:'); Readln(d);
tb:=(a+b+c+d)/4;
Writeln('Trung binh cong cua 4 so la:',tb:4:2);
Readln
End.
program mang;
uses crt;
var
N, i: integer;
a: array[1..100] of integer;
sum, average: double;
begin
clrscr;
write('Nhap so phan tu mang: ');
readln(N);
sum := 0;
for i:= 1 to N do
begin
write('Nhap phan tu thu ', i, ': ');
readln(a[i]);
sum := sum + a[i];
end;
writeln('Cac phan tu cua mang la:');
for i:= 1 to N do
write(a[i], ' ');
average := sum / N;
writeln('Tong cac phan tu cua mang la: ', sum:0:2);
writeln('Trung binh cong cua mang la: ', average:0:2);
readln;
end.
Câu 1:
#include <bits/stdc++.h>
using namespace std;
double a,b,c;
int main()
{
cin>>a>>b>>c;
cout<<fixed<<setprecision(2)<<(a+b+c)/3;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
int m,n;
int main()
{
cin>>m>>n;
cout<<"Trung binh cong m va n la: "<<(m+n)/2;
Return 0;
}