有一堆草莓,3个一堆刚好够分,5个一堆多3个,问有多少个草莓?
有一堆草莓,3个一堆刚好够分,5个一堆多3个,问有多少个草莓?
数学人气:963 ℃时间:2020-01-08 15:50:18
优质解答
3*5+3=18
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