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Jun 25th, 2016
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  1. import java.lang.String;
  2. import java.util.Scanner;
  3.  
  4. public class Nhapsohangvatinhtoan {
  5. public static void main(String[] args) {
  6. Scanner scanIn = new Scanner(System.in);
  7. System.out.println("Nhập vào hai số hạng : ");
  8. float a, b, ketqua;
  9. System.out.println("Số a = ");
  10. a = scanIn.nextFloat();
  11. System.out.println("Số b = ");
  12. b = scanIn.nextFloat();
  13. String s = "Phép toán";
  14. if (pheptoan -> Equals("+")) {
  15. ketqua = a + b;
  16. System.out.println("Kết quả : " + (double) ketqua);
  17. }
  18. }
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