(1/3+1/6+1/12+1/21+1/48+1

(1/3+1/6+1/12+1/21+1/48+1/96+1/192+1/384)*128怎么简算?

1个回答

(1/3+1/6+1/12+1/21+1/48+1/96+1/192+1/384)*128
=3+1/6+1/12+1/21+1/48+1/96+1/192+1/384
=1/21+1/48+1/96+1/192+1
=96+1/192+1
=1