问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?
问题描述:
问一个题-6.28×17.6+6.28×(-23.3)-1.57×36.4等于多少?
答
-6.28×17.6+6.28×(-23.3)-1.57×36.4
= -6.28×(17.6+23.3+9.1)
= -6.28×50
= -314