甲数和乙数的比是2∶3，乙数和丙数的比是4∶5，甲数和丙数的比是_1？_刷题宝

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甲数和乙数的比是2∶3，乙数和丙数的比是4∶5，甲数和丙数的比是____？

上一题下一题 0.0难度选择题更新时间:2019-06-23 01:23:15

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8:15

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