有關小學數學問題一問
回答 (2)
2008-07-13 8:04 am
✔ 最佳答案
1 吋 = 2.54 cm
1 cm = 10 mm
1 呎 = 12 吋
42 吋 = 42 吋 x (2.54 cm/吋)
42 吋 = 106.68 cm
42 吋 = 106.68 cm x (10 mm/cm)
42 吋 = 1066.8 mm
42 吋 = 42 吋 x (1 呎/12 吋)
42 吋 = 3.5 呎
=
2008-07-13 7:50 am
1英尺(尺) = 12 英寸 = 30.48 厘米(cm) = 304.8mm
收錄日期: 2021-04-25 13:39:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080712000051KK03031