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.Calculati:
a) (2⁵⁵•8¹⁵):16²⁴=
b) 10²•[(5²)⁴:5⁶+2021⁰•2⁴:2²-3⁵⁰:(3²⁵)²]
c) 10+[68::4-3•(2⁵-3³)]•9=
dau coroanaaa ​