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單項(xiàng)選擇題

1公尺約等于（）英呎

A.3.28
B.10
C.30.3
D.100

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單項(xiàng)選擇題

3臺尺等于（）臺吋

A.9
B.10
C.12
D.30

單項(xiàng)選擇題

1英呎等于（）英吋

A.6
B.10
C.12
D.30.3

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