问题标题:
求值:3^(log3(25))+(-C(5,4)^(log21)+16^(log4(2sin(π/2))=
问题描述:

求值:3^(log3(25))+(-C(5,4)^(log21)+16^(log4(2sin(π/2))=

董文葆回答:
  原式=25+(-5)^0+4^[2log42]=25+1+2²=30
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