pascal初学者提问[j8]四则运算Time Limit:1000MS Memory Limit:65536KTotal Submit:35 Accepted:20 Description 输入四则运算(+ - * /)算式,计算结果(保留2位小数).Input Output Sample Input 2+3Sample Output 5.00Source
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 02:23:04
![pascal初学者提问[j8]四则运算Time Limit:1000MS Memory Limit:65536KTotal Submit:35 Accepted:20 Description 输入四则运算(+ - * /)算式,计算结果(保留2位小数).Input Output Sample Input 2+3Sample Output 5.00Source](/uploads/image/z/1581777-9-7.jpg?t=pascal%E5%88%9D%E5%AD%A6%E8%80%85%E6%8F%90%E9%97%AE%5Bj8%5D%E5%9B%9B%E5%88%99%E8%BF%90%E7%AE%97Time+Limit%3A1000MS+Memory+Limit%3A65536KTotal+Submit%3A35+Accepted%3A20+Description+%E8%BE%93%E5%85%A5%E5%9B%9B%E5%88%99%E8%BF%90%E7%AE%97%EF%BC%88%2B+-+%2A+%2F%EF%BC%89%E7%AE%97%E5%BC%8F%2C%E8%AE%A1%E7%AE%97%E7%BB%93%E6%9E%9C%EF%BC%88%E4%BF%9D%E7%95%992%E4%BD%8D%E5%B0%8F%E6%95%B0%EF%BC%89.Input+Output+Sample+Input+2%2B3Sample+Output+5.00Source)
pascal初学者提问[j8]四则运算Time Limit:1000MS Memory Limit:65536KTotal Submit:35 Accepted:20 Description 输入四则运算(+ - * /)算式,计算结果(保留2位小数).Input Output Sample Input 2+3Sample Output 5.00Source
pascal初学者提问
[j8]四则运算
Time Limit:1000MS Memory Limit:65536K
Total Submit:35 Accepted:20
Description
输入四则运算(+ - * /)算式,计算结果(保留2位小数).
Input
Output
Sample Input
2
+
3
Sample Output
5.00
Source
pascal初学者提问[j8]四则运算Time Limit:1000MS Memory Limit:65536KTotal Submit:35 Accepted:20 Description 输入四则运算(+ - * /)算式,计算结果(保留2位小数).Input Output Sample Input 2+3Sample Output 5.00Source
同学呀,学pascal是要练的,不能这样每道题都到网上问啊,找个老师问一问方法会更好,
不过我还是给出代码吧:
program j8;
var a,b:real;
c:char;
begin
readln(a);
readln(c);
readln(b);
if c='+' then a:=a+b
else if c='-' then a:=a-b
else if c='*' then a:=a*b
else if c='/' then a:=a/b;
writeln(a:0:2);
end.