if a@b = a * b^(1/2) then 1@9 = ?
self made	Select.
A) 2 B) 6 C) 3 D) 8 E) 4
a@b = a * b^(1/2)   1@9 = 1*9^(1/2) = 1*3= 
<gadget id="calculator">1*3</gadget>
<output>3</output>
3   3orrect Option: 3
<result>C</result>
if a@b = a * b^(1/2) then 1@9 = ?
self made