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Jackie mows a strip of uniform width around her 25m by 15m rectangular lawn and leaves a patch of the lawn that is 60% of the original area.What is the width of the strip?
为什么没人回答!翻译们到哪里去了
人气:241 ℃ 时间:2019-12-24 08:26:41
解答
杰基围绕着她长25米、宽15米的矩形草地锄草,锄出一条等宽的锄草带,留下的空地相当于原始区域的60%.请问锄草带的宽度是多少?
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