解方程:=0.(用*法)
来源:语文精选馆 2.92W
问题详情:
解方程:=0.(用*法)
【回答】
解:=.
=.·························· 2分
=3.······························ 3分
=7.······························· 4分
∴=,=.······················ 6分
知识点:解一元二次方程
题型:计算题
问题详情:
解方程:=0.(用*法)
【回答】
解:=.
=.·························· 2分
=3.······························ 3分
=7.······························· 4分
∴=,=.······················ 6分
知识点:解一元二次方程
题型:计算题