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∫10/63-1/9∫*21+∫-4∫*∫-5 /8∫=
∫=modul
DAU coroana


Răspuns :

|10/63-1/9|*21 +4*5/8=
|10/63-7/63|*21 +5/2
|3/63|*21 +5/2
(3/63)*21+5/2
63/63+5/2=
1+5/2=
7/2=3,5