问题 解答题

已知:am+n•am-n=a8,求m的值.

答案

am+n•am-n=a8

m+n+m-n=8,

2m=8,

m=4.

故答案为:4.

写句子

按要求写句子。

1.当人们想到这个盲老人连万紫千红的春天都看不到,怎能不对他产生同情之心呢?                  

(改为陈述句)

                                                                                               

2.这是多么令人心酸呀!(改为反问句)

                                                                                                                                     

3.新出的芽儿,很细,很红。(改为比喻句)

                                                                                                                                                                               

4.春水流淌。(改为拟人句)    

                                                                                                                                                                                                                                      

5.温迪画画。(扩句,至少扩两处)  

                                                                                                                                      

6.改病句。   

(1)明明是我们班功课学习成绩最优秀的学生。

                                                                                                                                       

(2)《上下五千年>这套书,看过后增长了不少知识。   

                                                                                                                                      

多项选择题