Question 1007111
{{{matrix(1,21,

(s^13/9)/(s^6/12),"",""="","",s^13/9,"÷",s^6/12, "",""="","",s^13/9^(""^""),"×",12^""/s^6^"","",""="","",12s^13/(9s^6^""),"",""="","",4s^7/3)}}}