文科答案
月考五数学(文科)答案一.选择题:CCABCBADDBAD二.填空题:3ln36.16cos)(.1522.1481.13xxg,(12.【详解】当1x时,2xfxxe,则222xxfxxxexxe,当,2,0,1x时,0fx,fx单调递增,当2,0x时,0fx,fx单调递减,且242,00ffe;当1x时,2xefxx,则32xexfxx,当12x,时,0fx,fx单调递减,当2,x时,0fx,fx单调递增,且21,24ef...
2025-05-11
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