[問題] 輪子的原理
大家好:
前幾天遇到家教學生時,他突然問了我一個問題,
"為什麼東西裝了輪子之後,會比較好推",我上網看了些資料
都沒找到相關的答案,所以來這邊請強者幫我回答一下,謝謝!
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推
02/28 04:01, , 1F
02/28 04:01, 1F
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02/28 10:01, 2F
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02/28 10:28, , 5F
02/28 10:28, 5F
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02/28 10:50, , 6F
02/28 10:50, 6F
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02/28 11:42, , 7F
02/28 11:42, 7F
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02/28 11:47, , 8F
02/28 11:47, 8F
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02/28 13:24, , 14F
02/28 13:24, 14F
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02/28 18:38, , 15F
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02/28 18:38, , 16F
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02/28 20:22, , 17F
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02/28 20:22, , 18F
02/28 20:22, 18F
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02/28 20:33, , 19F
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03/01 00:26, , 20F
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03/01 00:26, , 21F
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03/01 00:47, , 22F
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03/01 07:42, , 23F
03/01 07:42, 23F
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03/01 07:42, , 24F
03/01 07:42, 24F
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03/02 10:39, , 25F
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03/02 10:42, , 27F
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03/02 10:43, , 28F
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08/13 16:05, , 29F
08/13 16:05, 29F
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09/17 14:05, , 30F
09/17 14:05, 30F
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01/02 14:42,
5年前
, 31F
01/02 14:42, 31F
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07/06 23:00,
4年前
, 32F
07/06 23:00, 32F
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