COBOL Subtract动词

IDENTIFICATION DIVISION.
PROGRAM-ID. HELLO.

DATA DIVISION.
   WORKING-STORAGE SECTION.
   01 WS-NUM1 PIC 9(9) VALUE 10 .
   01 WS-NUM2 PIC 9(9) VALUE 10.
   01 WS-NUM3 PIC 9(9) VALUE 100.
   01 WS-NUM4 PIC 9(9) VALUE 100.
   01 WS-NUMA PIC 9(9) VALUE 10.
   01 WS-NUMB PIC 9(9) VALUE 10.
   01 WS-NUMC PIC 9(9) VALUE 10.
   01 WS-NUMD PIC 9(9) VALUE 100.
   01 WS-NUME PIC 9(9) VALUE 10.

PROCEDURE DIVISION.
   SUBTRACT WS-NUM1 WS-NUM2 FROM WS-NUM3 WS-NUM4.
   SUBTRACT WS-NUMA WS-NUMB WS-NUMC FROM WS-NUMD GIVING WS-NUME.

   DISPLAY WS-NUM1     :  WS-NUM1
   DISPLAY WS-NUM2     :  WS-NUM2
   DISPLAY WS-NUM3     :  WS-NUM3
   DISPLAY WS-NUM4     :  WS-NUM4
   DISPLAY WS-NUMA     :  WS-NUMA
   DISPLAY WS-NUMB     :  WS-NUMB
   DISPLAY WS-NUMC     :  WS-NUMC
   DISPLAY WS-NUMD     :  WS-NUMD
   DISPLAY WS-NUME     :  WS-NUME

STOP RUN.

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