Test Section04FractionsTest

$\displaystyle{{1\over x+y}\over x+y} =$

${1\over r_1}+{1\over r_2}+{1\over r_3} =$

${u+c\over u}-c =$

${26x+1\over 2x^3} =$

${\sqrt x (3x^2) - {1\over 2}x^{-1/2}(x^3+4)\over x} =$

${2\over 2s+3}+{1\over 1-s} =$

The expression $3+2u\over 2u+1$ can be written as $1 + {(\; )\over(\; )}$. What is the $(\; )\over(\; )$ term?

$x^{-2}+{y^{-2}\over x^2} =$

${0.07\over M}+{3\over4}M^2 =$

${1\over x^{-2}+y^{-2}} =$