[請益] 請教一題六年級數學已刪文
有一梯形上底14公分,下底23公分,
有兩個等分點將腰平分為3等分,每個等分點畫平行線平行兩底,
問所有平行線的和是多少公分?
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推
08/30 17:57, , 1F
08/30 17:57, 1F
→
08/30 17:58, , 2F
08/30 17:58, 2F
推
08/30 18:01, , 3F
08/30 18:01, 3F
推
08/30 19:04, , 4F
08/30 19:04, 4F
推
08/30 20:02, , 5F
08/30 20:02, 5F
推
09/05 00:50, , 6F
09/05 00:50, 6F
→
09/06 13:34, , 7F
09/06 13:34, 7F
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09/09 01:00, , 8F
09/09 01:00, 8F