问题
解答题
一个边长8厘米的正方形铁丝框,改围成一个长9厘米的长方形,这个长方形的宽是多少厘米?
答案
铁丝的长度:8×4=32(厘米),
长方形的宽:32÷2-9,
=16-9,
=7(厘米);
答:这个长方形的宽是7厘米.
一个边长8厘米的正方形铁丝框,改围成一个长9厘米的长方形,这个长方形的宽是多少厘米?
铁丝的长度:8×4=32(厘米),
长方形的宽:32÷2-9,
=16-9,
=7(厘米);
答:这个长方形的宽是7厘米.
阅读短文,用方框中所给单词的适当形式填空。方框中有一个单词是多余的。 | |
visit someone, the host will bring you a cup of good tea to show welcome. Americans love coffee and they like 2______, too. Not only Chinese, but also many people around the world like tea. The 3______ people to drink tea were Chinese. And people in Europe first learned to grow and drink tea 4______ a book in Italy in 1599. Fifty years later, the first ship of tea from China 5______ Holland. |