提问:明若忆流 级别:幼儿园 来自:河南省许昌市
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如图,在△ABC中,角c=90°,AD是角BAC的平分线,CD=二分之三,BD=二分之五,求AC的长
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<h1 style="BORDER-BOTTOM: rgb(29,128,221) 1px solid; PADDING-BOTTOM: 5px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; FONT: 700 14px/22px Verdana, 宋体; WORD-WRAP: break-word; WHITE-SPACE: normal; COLOR: rgb(16,78,152); WORD-SPACING: 0px; PADDING-TOP: 0px; font-stretch: normal; -webkit-text-stroke-width: 0px" class="questionH1" topicid="19i6vuj48cfadrb84bb9mqtcalvhg3c492h2d">如图,在△ABC中,角c=90°,AD是角BAC的平分线,CD=二分之三,BD=二分之五,求AC的长</h1><div style="PADDING-BOTTOM: 10px; WIDOWS: 1; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); TEXT-INDENT: 0px; MARGIN: 0px; PADDING-LEFT: 0px; LETTER-SPACING: normal; PADDING-RIGHT: 0px; FONT: 14px/22px ''; WORD-WRAP: break-word; WHITE-SPACE: normal; COLOR: rgb(51,51,51); WORD-SPACING: 0px; PADDING-TOP: 10px; font-stretch: normal; -webkit-text-stroke-width: 0px" class="questionShow">用勾股定理求</div> |
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