[問題]比例問題
A物質和水的比例是 1 : 7
假如今天我要配成1L
請問A物質和水要各取多少??
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※ 編輯: Stoneken (115.43.10.110), 07/28/2016 21:54:56
→
07/28 21:59, , 1F
07/28 21:59, 1F
噓
07/28 22:05, , 2F
07/28 22:05, 2F
→
07/28 22:06, , 3F
07/28 22:06, 3F
→
07/28 22:07, , 4F
07/28 22:07, 4F
噓
07/28 22:45, , 5F
07/28 22:45, 5F
→
07/29 00:41, , 6F
07/29 00:41, 6F
→
07/29 00:43, , 7F
07/29 00:43, 7F
噓
07/29 08:54, , 8F
07/29 08:54, 8F