简便计算1/2+1/4+1/8+1/16

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简便计算1/2+1/4+1/8+1/16简便计算1/2+1/4+1/8+1/16简便计算1/2+1/4+1/8+1/161/2+1/4+1/8+1/16=1/16×(8+4+2+1)=15/161/2

简便计算1/2+1/4+1/8+1/16
简便计算1/2+1/4+1/8+1/16

简便计算1/2+1/4+1/8+1/16
1/2 + 1/4 + 1/8 + 1/16
= 1/16 × (8 + 4 + 2 + 1)
= 15/16

1/2+1/4+1/8+1/16
=1/2+1/4+1/8+1/16+1/16-1/16
=1/2+1/4+1/8+1/8-1/16
=1/2+1/4+1/4-1/16
=1/2+1/2-1/16
=1-1/16
=15/16