[問題] 數學 根號減法 比大小
╴ ╴ ╴ ╴ ╴ ╴
a=√10-√7 b=√6 -√3 c=√5 -√2
a<b<c
知道答案 但不知怎麼算
只知其然 不知其所以然
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◆ From: 125.230.27.122
→
09/07 23:19, , 1F
09/07 23:19, 1F
推
09/07 23:20, , 2F
09/07 23:20, 2F
推
09/07 23:21, , 3F
09/07 23:21, 3F
推
09/07 23:23, , 4F
09/07 23:23, 4F
推
09/07 23:24, , 5F
09/07 23:24, 5F
→
09/07 23:26, , 6F
09/07 23:26, 6F
→
09/07 23:26, , 7F
09/07 23:26, 7F
推
09/07 23:32, , 8F
09/07 23:32, 8F
平方...(老師"沒有"叫(教)我們用"平方"!!) (高一)
╴ ╴ ╴
17-2√70 9-2√18 7-2√10
我不會減耶~!
小數... 我只知道根號2跟3耶~ 考試計算題怎麼辦= =|||
※ 編輯: http60101 來自: 125.230.27.122 (09/07 23:38)
推
09/07 23:41, , 9F
09/07 23:41, 9F
推
09/07 23:50, , 10F
09/07 23:50, 10F
推
09/08 00:03, , 11F
09/08 00:03, 11F
推
09/08 00:30, , 12F
09/08 00:30, 12F
→
09/08 00:30, , 13F
09/08 00:30, 13F
推
09/08 00:33, , 14F
09/08 00:33, 14F
推
09/08 00:37, , 15F
09/08 00:37, 15F
推
09/08 00:43, , 16F
09/08 00:43, 16F
推
09/08 01:21, , 17F
09/08 01:21, 17F
推
09/08 06:17, , 18F
09/08 06:17, 18F
推
09/08 19:31, , 19F
09/08 19:31, 19F
→
09/08 19:32, , 20F
09/08 19:32, 20F
推
09/08 20:32, , 21F
09/08 20:32, 21F
推
09/08 22:17, , 22F
09/08 22:17, 22F
推
09/10 19:35, , 23F
09/10 19:35, 23F
推
09/10 23:36, , 24F
09/10 23:36, 24F
推
09/15 21:15, , 25F
09/15 21:15, 25F
→
08/08 19:47, , 26F
08/08 19:47, 26F
→
09/11 13:18, , 27F
09/11 13:18, 27F
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