a>0>b>c IcI>a.IbI>a.化简Ib-aI+Ia+cI+Ic-bI

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 15:52:01
a>0>b>c IcI>a.IbI>a.化简Ib-aI+Ia+cI+Ic-bI

a>0>b>c IcI>a.IbI>a.化简Ib-aI+Ia+cI+Ic-bI
a>0>b>c IcI>a.IbI>a.化简Ib-aI+Ia+cI+Ic-bI

a>0>b>c IcI>a.IbI>a.化简Ib-aI+Ia+cI+Ic-bI
原式=a-b-a-c+b-c=-2c

答案应该是 0

这是啥