c3ms−1\dfrac{c}{3} m s^{-1}3cms−1
(c−c3)ms−1\left(c-\dfrac{c}{3} \right)m s^{-1}(c−3c)ms−1
(c+c3)ms−1\left(c+\dfrac{c}{3} \right)m s^{-1}(c+3c)ms−1
c ms−1c\ m s^{-1}c ms−1
