It can help easily solve the probability problem to master inverse-event formula and plus formula.
在求解概率问题时,掌握逆事件公式与加法公式的运用,会使问题变得简单。
It can help easily solve the probability problem to master inverse-event formula and plus formula. Yet the formulas should be utilized flexibly not blindly.
在求解概率问题时,掌握逆事件公式与加法公式的运用,会使问题变得简单。但是应根据问题实质,灵活运用,避免盲目与机械。
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