来自刘泽强的问题
英语翻译RisthesetofallpointswithinthetriangleABCwhicharenearertoBthantoAandwhosedistancefromCislessthanCB.Onthediagramontheanswersheet,drawaccuratelytheboundaryofRandindicatecarefullytheregionRbyshadi
英语翻译
RisthesetofallpointswithinthetriangleABCwhicharenearertoBthantoAandwhosedistancefromCislessthanCB.Onthediagramontheanswersheet,drawaccuratelytheboundaryofRandindicatecarefullytheregionRbyshadingit.
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2020-04-24 23:47