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[(5*3:15+2^4)*2^2-5^2]:5^2 va rog repede sau coroana

Răspuns :

[(5•3:15+2⁴)•2²-5²]:5²=

=[(15:15+16)•4-25]:25=

= [(1+16)•4-25]:25=

= (17•4-25):25=

= (68-25):25

=43/25