2X*X=40 要每一步的过程,快
问题描述:
2X*X=40
要每一步的过程,快
答
2X*X=40
x^2=20
x=2根号5或x=-2根号5
2X*X=40
要每一步的过程,快
2X*X=40
x^2=20
x=2根号5或x=-2根号5