(1)2011年的利润=a(1 m%)-a(1 m%)×65%-a(1 m%)×15%=0.2a(1 m%)
2012年的利润=a(1 m%)(1 m%)-a(1 m%)(1 m%)×65%-a(1 m%)(1 m%)×15%,
=a(1 m%)×0.2(1 m%),
=0.2a(1 m%)2;
(2)0.2a(1 m%)2
=0.2×100(1 10%)2,
=20×1.21,
=24.2(万元).
希望对你有所帮助!
(1)2011年的利润=a(1 m%)-a(1 m%)×65%-a(1 m%)×15%=0.2a(1 m%)
2012年的利润=a(1 m%)(1 m%)-a(1 m%)(1 m%)×65%-a(1 m%)(1 m%)×15%,
=a(1 m%)×0.2(1 m%),
=0.2a(1 m%)2;
(2)0.2a(1 m%)2
=0.2×100(1 10%)2,
=20×1.21,
=24.2(万元).
希望对你有所帮助!