[中學]
設a,b,c為實數，已知a+2b+3c=4且2ab+6bc+3ac=5，若c最大值M，c最小值m，則M+m=?答案是8/9請教如何解題，謝謝!
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推
08/19 22:58, , 1F
08/19 22:58, 1F
→
08/20 00:12, , 2F
08/20 00:12, 2F
推
08/20 00:57, , 3F
08/20 00:57, 3F
→
08/20 00:57, , 4F
08/20 00:57, 4F
→
08/20 01:02, , 5F
08/20 01:02, 5F
→
08/20 03:52, , 6F
08/20 03:52, 6F
推
08/20 13:34, , 7F
08/20 13:34, 7F
→
08/20 13:38, , 8F
08/20 13:38, 8F
→
08/20 13:40, , 9F
08/20 13:40, 9F
→
08/20 13:42, , 10F
08/20 13:42, 10F
→
08/20 13:43, , 11F
08/20 13:43, 11F
推
08/20 15:08, , 12F
08/20 15:08, 12F
→
08/20 16:29, , 13F
08/20 16:29, 13F
→
08/20 16:33, , 14F
08/20 16:33, 14F
推
08/20 17:42, , 15F
08/20 17:42, 15F
→
08/20 17:44, , 16F
08/20 17:44, 16F
→
08/20 17:46, , 17F
08/20 17:46, 17F
→
08/20 17:47, , 18F
08/20 17:47, 18F
→
08/20 17:48, , 19F
08/20 17:48, 19F
→
08/20 17:50, , 20F
08/20 17:50, 20F
→
08/20 17:51, , 21F
08/20 17:51, 21F
→
08/20 17:51, , 22F
08/20 17:51, 22F
→
08/20 18:12, , 23F
08/20 18:12, 23F
→
08/21 00:18, , 24F
08/21 00:18, 24F
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