1X2X3X4X5X6X7X8X9.X100020
问题描述:
1X2X3X4X5X6X7X8X9.X100020
答
1X2X3X4X5X6X7X8X9.X100020
=100020!
≈2.8301661154171284224190797365694×10^456673
也就是约等于2830后面跟着456670个0.
很大很大的数字..