小学一年级数学:49、55、63上下左右的数分别是?

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• 小学一年级数学:49、55、63上下左右的数分别是?
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• 阅读短文,判断句子的正（T）误（F）It was a Saturday morning in May.When Mrs Green opened her curtains (窗帘) and looked out,she said,“It's going to be a beautiful day.” She said to her son,“Get up,Tom.We are going to the zoo today.Wash your hands and face.We are going to New York by train,”Tom was six years old.He was very happy now,because he liked going to the zoo very much.He also liked going by train.He said,“I dreamed (做梦) about the zoo last night,Mum.”“And what d