若a+3b=0,则(1−b/a+2b)÷a2+2ab+b2a2−4b2=_.
问题描述:
若a+3b=0,则(1−
)÷b a+2b
=______.
a2+2ab+b2
a2−4b2
答
暂无优质回答,请稍候...
若a+3b=0,则(1−
)÷b a+2b
=______.
a2+2ab+b2
a2−4b2
暂无优质回答,请稍候...