计算:(1/8+1/24+1/48+1/80+1/120+1/168+1/224+1/288)*128

学习 时间:2026-08-23 12:56:53 阅读:3403
计算:(1/8+1/24+1/48+1/80+1/120+1/168+1/224+1/288)*128

最佳回答

殷勤的大叔

朴素的御姐

2026-08-23 12:56:53

(1/8+1/24+1/48+1/80+1/120+1/168+1/224+1/288)X128 =1/8X128+1/24X128+1/48X128+1/80x128+1/120x128+1/168X128+1/224X128+1/288X128 =16+16/3+8/3+8/5+16/15+16/21+4/7+4/9 =16+24/3+40/15+28/21+4/9 (该步可省略) =16+8+8/3+4/3+4/9 =24+4+4/9 =28+4/9 (28又9分之4)

最新回答共有2条回答

  • 潇洒的草莓
    回复
    2026-08-23 12:56:53

    (1/8+1/24+1/48+1/80+1/120+1/168+1/224+1/288)X128 =1/8X128+1/24X128+1/48X128+1/80x128+1/120x128+1/168X128+1/224X128+1/288X128 =16+16/3+8/3+8/5+16/15+16/21+4/7+4/9 =16+24/3+40/15+28/21+4/9 (该步可省略) =16+8+8/3+4/3+4/9 =24+4+4/9 =28+4/9 (28又9分之4)

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