1-1\2-1\4-1\8-1\16-1\32 用简便方法计算

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1-1\2-1\4-1\8-1\16-1\32用简便方法计算1-1\2-1\4-1\8-1\16-1\32用简便方法计算1-1\2-1\4-1\8-1\16-1\32用简便方法计算美雪0015,你好:

1-1\2-1\4-1\8-1\16-1\32 用简便方法计算
1-1\2-1\4-1\8-1\16-1\32 用简便方法计算

1-1\2-1\4-1\8-1\16-1\32 用简便方法计算
美雪0015,你好:
1-1/2-1/4-1/8-1/16-1/32
=1/2-(1/2-1/4)-(1/4-1/8)-(1/8-1/16)-(1/16-1/32)
=1/2-1/2+1/4-1/4+1/8-1/8+1/16-1/16+1/32
=1/32