(+15又5分之3)(-0.75)(-3又9分之5)(-13之5)

问题描述:

(+15又5分之3)(-0.75)(-3又9分之5)(-13之5)

(+15又5分之3)(-0.75)(-3又9分之5)(-13之5)
=- 78/5 * 3/4 * 32/9 *5/13
=- 16