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- import java.lang.String;
- import java.util.Scanner;
- public class Nhapsohangvatinhtoan {
- public static void main(String[] args) {
- Scanner scanIn = new Scanner(System.in);
- System.out.println("Nhập vào hai số hạng : ");
- float a, b, ketqua;
- System.out.println("Số a = ");
- a = scanIn.nextFloat();
- System.out.println("Số b = ");
- b = scanIn.nextFloat();
- String s = "Phép toán";
- if (pheptoan -> Equals("+")) {
- ketqua = a + b;
- System.out.println("Kết quả : " + (double) ketqua);
- }
- }
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