16+8+4+2+1+1/2+1/4+1/8+1/16 简便计算,求学霸解答.100金币.
3个回答
16+8+4+2+1+1/2+1/4+1/8+1/16
= (16+8+4+2+1)+(1/2+1/4+1/8+1/16)
=31+(8+4+2+1)/16
=31+15/16
=31又15/16
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