3.5米長D還是12呎長D呀?

👨🏻‍🏫 學術台數學

2007-11-01 6:21 am

3.5米長D還是12呎長D呀?

回答 (3)

2007-11-01 6:33 am

✔ 最佳答案

1米 = 39吋 (3呎3吋)
3.5米 = 3.5x39吋 = 136.5吋 = 11.375呎
136.5吋 = 136.5/12 = 11.375呎

3.5米 = 11.375呎

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2007-11-02 5:10 am

12呎長D,
3.5米?D,
ok
ok
ok

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2007-11-01 6:50 am

1吋 = 2.54 厘米, 1呎 = 12 吋
1呎大約有30.48cm
12呎有365.76cm=3.6576m
12呎長d

參考: me

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