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(a+a/3²)-(a/3+2a²)+(5a/6-a/4²)= si / inseamna supra. Urgent! Dau coroana!

Răspuns :

LMarinel
a+a/9=10a/9
a/3+2a²= 6a²+a/3
5a/6-a/16=37a/48

10a/9-6a²+a/3= -18a²-7a/9
18a²-7a/9 - 37a/48 = 288a²-a/144

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