Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
#include <bits/stdc++.h>
using namespace std;
double a,b;
int main()
{
cin>>a>>b;
if (b==0) cout<<"Ko tinh duoc";
else
{
cout<<a+b<<endl;
cout<<a-b<<endl;
cout<<a*b<<endl;
cout<<a/b;
}
return 0;
}
uses crt;
var n,i,t,s:integer;
begin
clrscr;
repeat
readln(n);
until n<>0;
t:=0;
for i:=1 to n do if i mod 2=0 then t:=t+i;
writeln(t);
s:=1;
for i:=1 to n do
if i mod 2=1 then s:=s*i;
writeln(s);
readln;
end.
#include <bits/stdc++.h>
using namespace std;
double a,b,c,p;
int main()
{
cin>>a>>b>>c;
p=a+b+c;
cout<<fixed<<setprecision(2)<<p;
return 0;
}
program hotrotinhoc;
function toigian(x,y: integer): integer;
var z: integer;
begin
while y<>0 do
begin
z:=x mod y;
x:=y;
y:=z;
end;
toigian:=x;
end;
var i,n,a,b,c,d: integer;
tu,mau: real;
begin
readln(a,b,c,d);
if (c=0) and (d=0) then write(a,' ',b);
if (c=0) and (d<>0) then write(c,'/',d,'=0');
if (c<>0) and (d<>0) then
if b/toigian(a,b)=1 then
writeln(a,'/',b,'=',(a/toigian(a,b))/b/toigian(a,b):1:0) else
writeln(a,'/',b,'=',(a/toigian(a,b)):1:0,'/',b/toigian(a,b):1:0);
if (c<>0) and (d<>0) then
begin
tu:=(a*d+c*b)/toigian(a*d+c*b,b*d);
mau:=(b*d)/toigian(a*d+c*b,d*b);
if (mau=1) or (tu=0) then writeln(a,'/',b,'+',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'+',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*d-c*b)/toigian(a*d-c*b,b*d);
mau:=(b*d)/toigian(a*d-c*b,d*b);
if (mau=1) or (tu=0) then writeln(a,'/',b,'-',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'-',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*c)/toigian(a*c,b*d);
mau:=(b*d)/toigian(a*c,b*d);
if mau=1 then writeln(a,'/',b,'*',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'*',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*d)/toigian(a*d,b*c);
mau:=(b*c)/toigian(a*d,b*c);
if mau=1 then writeln(a,'/',b,'/',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'/',c,'/',d,'=',tu:1:0,'/',mau:1:0)
end;
readln
end.
program hotrotinhoc;
function toigian(x,y: integer): integer;
var z: integer;
begin
while y<>0 do
begin
z:=x mod y;
x:=y;
y:=z;
end;
toigian:=x;
end;
var i,n,a,b,c,d: integer;
tu,mau: real;
begin
readln(a,b,c,d);
if (c=0) and (d=0) then write(a,' ',b);
if (c=0) and (d<>0) then write(c,'/',d,'=0');
if (c<>0) and (d<>0) then
if b/toigian(a,b)=1 then
writeln(a,'/',b,'=',(a/toigian(a,b))/b/toigian(a,b):1:0) else
writeln(a,'/',b,'=',(a/toigian(a,b)):1:0,'/',b/toigian(a,b):1:0);
if (c<>0) and (d<>0) then
begin
tu:=(a*d+c*b)/toigian(a*d+c*b,b*d);
mau:=(b*d)/toigian(a*d+c*b,d*b);
if (mau=1) or (tu=0) then writeln(a,'/',b,'+',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'+',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*d-c*b)/toigian(a*d-c*b,b*d);
mau:=(b*d)/toigian(a*d-c*b,d*b);
if (mau=1) or (tu=0) then writeln(a,'/',b,'-',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'-',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*c)/toigian(a*c,b*d);
mau:=(b*d)/toigian(a*c,b*d);
if mau=1 then writeln(a,'/',b,'*',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'*',c,'/',d,'=',tu:1:0,'/',mau:1:0);
tu:=(a*d)/toigian(a*d,b*c);
mau:=(b*c)/toigian(a*d,b*c);
if mau=1 then writeln(a,'/',b,'/',c,'/',d,'=',tu/mau:1:0) else
writeln(a,'/',b,'/',c,'/',d,'=',tu:1:0,'/',mau:1:0);
end;
readln
end.
Bài 3:
#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main()
{
cin>>a>>b;
cout<<a%b;
cout<<a/b;
return 0;
}
