題目是否是5根號(hào)45 * 3/2 * 根號(hào)（2/3）?
若是,則5根號(hào)45 * 3/2 * 根號(hào)（2/3）=5根號(hào)（5*9）*3/2*根號(hào)(2/3)=15根號(hào)5*根號(hào)6/2=15/2根號(hào)30
初三二次根式計(jì)算.
初三二次根式計(jì)算.
5√45×3/2√2/3
5√45×3/2√2/3
數(shù)學(xué)人氣：263 ℃時(shí)間：2020-07-03 21:53:02
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