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Problem #49

Powers and roots

Compiler of the Uzbek version and author of the solutions — Zuhriddin Jaloliddinov

Medium10 pointsArithmetic operations100%
Calculate:
2−2+50(0,5)−2−5(−2)−2+(23)−2+4,75\dfrac{2^{-2}+5^{0}}{(0,5)^{-2}-5(-2)^{-2}+\left(\frac{2}{3}\right)^{-2}}+4,75

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