[㏒1]+[㏒2]+[㏒3]+[㏒4]+...+[.㏒2010]等于多少?
问题描述:
[㏒1]+[㏒2]+[㏒3]+[㏒4]+...+[.㏒2010]等于多少?
答
答:中括号[ ]表示取整吗?
[log1]+[log2]+[log3]+...+[log2010]
=0*9+1*90+2*900+3*1011
=90+1800+3033
=4923