作业帮若a=(-2)²,b=-（-3）³,c=-（-4）²,则-[a-(b+c)]=
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/17 22:24:34
![若a=(-2)²,b=-（-3）³,c=-（-4）²,则-[a-(b+c)]=](/uploads/image/z/6285742-70-2.jpg?t=%E8%8B%A5a%3D%28-2%29%26%23178%3B%2Cb%3D-%EF%BC%88-3%EF%BC%89%26%23179%3B%2Cc%3D-%EF%BC%88-4%EF%BC%89%26%23178%3B%2C%E5%88%99-%5Ba-%28b%2Bc%29%5D%3D)
若a=(-2)²,b=-（-3）³,c=-（-4）²,则-[a-(b+c)]=
若a=(-2)²,b=-（-3）³,c=-（-4）²,则-[a-(b+c)]=
若a=(-2)²,b=-（-3）³,c=-（-4）²,则-[a-(b+c)]=
a=(-2)²=4
b=-（-3）³=27
,c=-（-4）²=-16
∴-[a-(b+c)]
=-a+b+c
=-4+27-16
=7