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把下面两根丝带剪成长度一样的短丝带并且没有剩余,每根短丝带最长是多少厘米?

呯淡無聊 10个月前 已收到1个回答 我来回答 举报

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60=2×2×3×5, 45=3×3×5,

60和45的最大公约数是3×5=15,

所以每根短丝带最长是15厘米.

答:每根短丝带最长是15厘米.

10个月前

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