问题
解答题
一个圆形广场，直径是200米，它的周长和面积是多少？
答案
3.14×200=628（米）；
3.14×（
）2，200 2
=3.14×1002，
=3.14×10000，
=31400（平方米）；
答：它的周长是628米，面积是31400平方米．
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一个圆形广场，直径是200米，它的周长和面积是多少？
3.14×200=628（米）；
3.14×（
）2，200 2
=3.14×1002，
=3.14×10000，
=31400（平方米）；
答：它的周长是628米，面积是31400平方米．
| 任务型阅读。 | ||||||||||
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根据短文,完成下面表格.
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