0.625=5/8
0.625x...(8个0.625)x0.625x8x...(7个8)x8x2x2x...(6个2)x2
=5x...(8个5)x5x2x2x...(6个2)x2/8
=10x...(8个10)x10/(8*2*2)
=10^8/32
0.625=5/8
0.625x...(8个0.625)x0.625x8x...(7个8)x8x2x2x...(6个2)x2
=5x...(8个5)x5x2x2x...(6个2)x2/8
=10x...(8个10)x10/(8*2*2)
=10^8/32