2076-(307+(74 + D))=2076-(307+74+D)=2076-(381+D)=2076-381-D=1695-D(689-B)-(321+C)=689-B-321-C=368-B-C
2076-307-74-D=1695-D
689 - B-321-C= 689-321-B-C=368-B-C
2076-(307+(74 + D))=2076-(307+74+D)=2076-(381+D)=2076-381-D=1695-D
(689-B)-(321+C)=689-B-321-C=368-B-C
2076-307-74-D=1695-D
689 - B-321-C= 689-321-B-C=368-B-C