6 / 2 (1+2) = ?
5/0.25
give me 4 irrational numbers between 2/7 and 1/3
4a - 3b - 2a - 4b
simplify: 7 to the power of 6 * (7 to the power of -2)4 / 7 to the power of -3
if u=x^3*y*e^z find dou/doy
integrate (x)/( $\sqrt{x^2+5}$) dx
cos (273 ° 11 ' 22 ")
Find the sum of the first 12 positive multiples of 13.
if u=x^3*y*e^z find dou/dox