1.64*81%+1.64*19% 18%*(1/9+1/6)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/24 09:38:49
1.64*81%+1.64*19%18%*(1/9+1/6)1.64*81%+1.64*19%18%*(1/9+1/6)1.64*81%+1.64*19%18%*(1/9+1/6)1.64*81%+1
1.64*81%+1.64*19% 18%*(1/9+1/6)
1.64*81%+1.64*19% 18%*(1/9+1/6)
1.64*81%+1.64*19% 18%*(1/9+1/6)
1.64*81%+1.64*19%
=1.64*(81%+19%)
=1.64
18%*(1/9+1/6)
=0.18×1/9+0.18×1/6
=0.02+0.03
=0.05