计算:(1/4a^2b)×(-2ab^2)÷(0.5a^4b^5)
问题描述:
计算:(1/4a^2b)×(-2ab^2)÷(0.5a^4b^5)
答
(1/4a^2b)×(-2ab^2)÷(0.5a^4b^5)
=[(1/4)(-2)/0.5][(a^2)ba(b^2)]/[(a^4)(b^5)]
=-[(a^3)(b^3)]/[(a^4)(b^5)]
=-1/(ab^2)