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21.將毛豆放入空的量筒中,輕敲量筒後,毛豆堆積到量筒刻度約為60mL 處·再將50m的水倒入盛毛豆的量筒中,水面的刻度到70mL,若毛豆皆沉在水面下,可以推算出毛豆的體積大約是多少mL?(A)30(
問題詳情
21.將毛豆放入空的量筒中,輕敲量筒後,毛豆堆積到量筒刻度約為60mL 處·再將50m的水倒入盛毛豆的量筒中,水面的刻度到70mL,若毛豆皆沉在水面下,可以推算出毛豆的體積大約是多少mL?
(A)30
(B)10
(C)20
(D)50
參考答案
答案:C
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