上課時間2007.3.23
以手動方式輸入任意數值分別代表梯形的上底,下底,高,而最後出來的則是該梯形的面積
import java.io.*;
public class homework9458050_2{
public static void main(String[] awer)
throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("請輸入上底:");
String str = br.readLine();
double a = Double.parseDouble(str);
System.out.println("請輸入下底:");
String str2 = br.readLine();
double b = Double.parseDouble(str2);
System.out.println("請輸入高:");
String str3 = br.readLine();
double c = Double.parseDouble(str3);
double ans = (a+b)*c/2;
System.out.println("梯形面積 = "+ ans);
}
}
以手動方式輸入任意數值分別代表梯形的上底,下底,高,而最後出來的則是該梯形的面積
import java.io.*;
public class homework9458050_2{
public static void main(String[] awer)
throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("請輸入上底:");
String str = br.readLine();
double a = Double.parseDouble(str);
System.out.println("請輸入下底:");
String str2 = br.readLine();
double b = Double.parseDouble(str2);
System.out.println("請輸入高:");
String str3 = br.readLine();
double c = Double.parseDouble(str3);
double ans = (a+b)*c/2;
System.out.println("梯形面積 = "+ ans);
}
}
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