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

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

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

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