[中學] 請教數學兩題
1. 身高都不同的30位同學站成一排,其中剛好有11人高於自己左側
相鄰的同學,試問高於自己右側相鄰同學有幾人?
2.循環節為4的純循環小數化成最簡分數後,分母是三位數
的循環小數有幾個?
請指點迷津...thx
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 111.253.153.201
※ 文章網址: http://www.ptt.cc/bbs/Math/M.1399297291.A.23C.html
推
05/05 23:28, , 1F
05/05 23:28, 1F
→
05/05 23:29, , 2F
05/05 23:29, 2F
→
05/05 23:30, , 3F
05/05 23:30, 3F
→
05/05 23:30, , 4F
05/05 23:30, 4F
推
05/05 23:31, , 5F
05/05 23:31, 5F
→
05/05 23:53, , 6F
05/05 23:53, 6F
→
05/05 23:53, , 7F
05/05 23:53, 7F
→
05/05 23:54, , 8F
05/05 23:54, 8F