如果两个圆的半径之比是5:6那么直径之比是多少?周长之比是多少?面积之比是多少?
如果两个圆的半径之比是5:6那么直径之比是多少?周长之比是多少?面积之比是多少?
数学人气:646 ℃时间:2019-11-21 14:25:47
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直径之比是5:6,周长之比是5:6,面积之比是25:36
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