数据100,120,80,130,100,90,150的中位数是130 .
6÷ =9:12== = %
1.25= :8== %.
2= : =27÷ =.
最小质数除以最小合数,商是,化成小数是 ;0.75=9÷ ==18÷ =.
== ÷ == (小数)