1-1/4-1/8-1/16-1/32=17/32 怎么算 简便计算

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1-1/4-1/8-1/16-1/32=17/32 怎么算 简便计算
1-1/4-1/8-1/16-1/32=17/32 怎么算 简便计算

1-1/4-1/8-1/16-1/32=17/32 怎么算 简便计算
1-1/4-1/8-1/16-1/32
=1-(1/4+1/8+1/16+1/32)
=1-(8+4+2+1)/32
=1-15/32
=17/32

=32/32-8/32-4/32-2/32-1/32
=32/32(32-8-4-2-1)
=17/32

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