1+2+3-4-5-6+7+8+9-10-11-12...-2008-2009-2010怎样做?
1+2+3-4-5-6+7+8+9-10-11-12...-2008-2009-2010怎样做?
7,8,9,10,11怎样做
怎样做7,8,9,10,11
1-2+3-4+5-6+7-8+```+99-100怎样做
10000-1+2-3+4-5+6-7+8.-999+1000=?怎样做?急 急
6,7,8,9怎样做拜托
求2( )3( )4( )5( )6( )7( )8( )9用加乘法,得数等于100,怎样做?
求2( )3( )4( )5( )6( )7( )8( )9,括弧内用加法、乘法,得数等于100,怎样做?
求2,3,4,5,6,7,8,9用加乘法,得数等于100,怎样做?
怎样做这5题.1,2,3,4,5,
6,7题做对了吗?还有9,10,11题怎样做
使得3,8,12,10这四个数运算结果为24,怎样做?使得2,9,3,4这四个数运算结果为-24,怎样做?