食堂運(yùn)來400千克大米,吃了2/5,還剩多少千克?
食堂運(yùn)來400千克大米,吃了
,還剩多少千克?
優(yōu)質(zhì)解答
400×(1-
)
=400×
=240(千克)
答:吃了
,還剩240千克.
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