机器语言高级语言1010 11001Basic: X-Y+Z1011 11010COBOL:1100 11011COMPUTE X-Y+Z4GL汇编语言LOD YSum TheZADDFollowing NumbersY,ZSTRX机器语言 高级语言 1010 11001 Basic: X=Y+Z 1011 11010 COBOL: 1100 11011 COMPUTE X=Y+Z 汇编语言 4GL LOD Y Sum The ADD Z Following Numbers STR X Y, Z