问题标题：
0.1*0.2*0.3*0.4*0.5*0.6*0.7*0.8*0.9怎么算
问题描述：
0.1*0.2*0.3*0.4*0.5*0.6*0.7*0.8*0.9怎么算
钱锋回答：
化为分数,即
1/10*2/10*3/10*4*10*5/10*6/10*7/10*8/10*9/10
=1/10*1/5*3/10*1/5*3/5*7/10*2/5*9/5
=1/10*1/5*3/10*1/5*3/5*7/5*1/5*9/5
=（81*7）/（25*25*25*100）
=567/1562500
=0.00036288
当然你也可以不需要算到小数的啦~
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