问题
解答题
| 计算： （1）(π-2013)0-(
（2）（x2y）3•（-2xy3）2． |
答案
（1）原式=1-9+4，
=-4．
（2）原式=x6y3•4x2y6，
=4x8y9．
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| 计算： （1）(π-2013)0-(
（2）（x2y）3•（-2xy3）2． |
（1）原式=1-9+4，
=-4．
（2）原式=x6y3•4x2y6，
=4x8y9．
从方框中选用合适的词，并用其适当形式填空。
小题2:I went to HK for my holiday, and it was really a __________ trip. 小题3:Mother giant pandas often leave baby pandas for two whole days by _________. 小题4:Swimming is not as __________ as cycling. 小题5:He is as tall as his brother, but his brother is much _________ than he. |