1-1/2-4/1-1/8-1/16-1/32-1/64-1/128-1/256等于多少?
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![1-1/2-4/1-1/8-1/16-1/32-1/64-1/128-1/256等于多少?](/uploads/image/z/1127895-15-5.jpg?t=1-1%2F2-4%2F1-1%2F8-1%2F16-1%2F32-1%2F64-1%2F128-1%2F256%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
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1-1/2-4/1-1/8-1/16-1/32-1/64-1/128-1/256等于多少?
1-1/2-4/1-1/8-1/16-1/32-1/64-1/128-1/256等于多少?
1-1/2-4/1-1/8-1/16-1/32-1/64-1/128-1/256等于多少?
1-1/2=1/2 1-1/2-1/4=1/4 1-1/2-1/4-1/8=1/8 1-1/2-1/4-1/8-1/16=1/16 .1-1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256=1/256