EXPLORING MATHEMATICS 1B的答案 (20)

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　answer is : speed = 10km/h
... Exploring Mathematics 1A ... Exploring Mathematics 1B ... Mathematics in Action 1B ... Mathematics for Tomorrow 1B. Chow Wai Man ...
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... Exploring Mathematics Workbook 1B ... Exploring Mathematics Workbook 1B aims to equip students with the basic Maths knowledge ...
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2007-01-30 22:14:48 補充：
sorry, which version of book are you?

which question?