【题目】长方形和正方形都有四条边,正方形四条边相等。(______)
【答案】√
【解析】
略
上一篇 40-30-8与40-(30-8)的得数相等。(_)...
下一篇 They are .Theylike grass. They are very tall. What are they?They are .Theyare brown. They like banan
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