A maths question Help

来源：学生作业帮编辑：搜搜考试网作业帮分类：数学作业时间：2024/05/13 20:12:36

A maths question Help
大雪后,聪聪和姐姐一起步测一个圆形花坛的周长.他们的起点、走的路点、位置和方向完全相同,鞋子的尺码也相同.聪聪每步长约45厘米,姐姐每步长约54厘米.测量完毕后,雪地留下了60个脚印.这个圆形花坛的周长是（）.

45和54的最小公倍数是270,就是指弟弟没走6步的脚印和姐姐的第五步重叠,则这270厘米有10个脚印,60个脚印就是1620厘米

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