(-2又4\5×1又5\6-0.25×5-2\5)×(-1)的五次方,
问题描述:
(-2又4\5×1又5\6-0.25×5-2\5)×(-1)的五次方,
答
(-2又4\5×1又5\6-0.25×5-2\5)×(-1)的五次方
=-(-14/5×11/6-5/4-2/5)
=154/30+25/20+8/20
=154/30+33/20
=308/60+99/60
=407/60
=6又47/60