比-1-(0.5-1)*1/3*(3-(3)的二次方)

-1-(0.5-1)*1/3*(3-(3)的二次方)
=-1 1/2x1/3x(3-9)
=-1-1/6x6
=-1-1
=-2记得好评和采纳,互相帮助祝学习进步!

更多阅读