9.17.23.31.36.46.54.60.69.76.85.91.95.103.108.118.128.135.14
9.17.23.31.36.46.54.60.69.76.85.91.95.103.108.118.128.135.14
0.84×9.17列竖式算,
光明日报出版社9.17、9.18
3.5.9.17.___._____.129
23.31*21/3.7/3.5=?简便计算要算式
3.54+9.17-5.17+4.46如何简便计算?
3.5.9.17.33.65( )找规律,
3.5.9.17.33.数列的通项公式
找规律填数:3.5.9.17( ).( ).129.( )...
六一班第一小组数学期中成绩85.91.79.78.94.88.97.100.69.77.88.86平均成绩是()分优秀率
用计算器计算,写算式过程.:36.46-93.48+111.23-167.48
按规律填数 1.3.11.43() 11.13.()23.31 4,11,32,95() 3.5.9.()33