问题 解答题
2
343
+
4
343
+
6
343
+…+
98
343
)-(
3
686
+
5
686
+
7
686
+…+
99
686
答案

2
343
+
4
343
+
6
343
+…+
98
343
)-(
3
686
+
5
686
+
7
686
+…+
99
686
),

=(

4
686
+
8
686
+
12
686
+…+
196
686
)-(
3
686
+
5
686
+
7
686
+…+
99
686
),

=(

4
686
-
3
686
)+(
8
686
-
5
686
)+(
12
686
-
7
686
)+…+(
196
686
-
99
686
),

=

1
686
+
3
686
+
5
686
+…+
97
686

=

(1+97)×49
686×2

=

7
2

填空题
简答题

1.小李是数学课代表,收发作业认真负责,可自己的作业写得很马虎。有人给他提意见,他说:“对集体的事情我应当认真负责,写作业是自己的事,马虎一点没什么。”

判断:                                                                                                                                                 

理由:                                                                                                                                                 

2.有的同学说,情绪是可以调节和控制的,对人的身体不会产生多大影响。

判断:                                                                                                                                                

理由:                                                                                                                                                

3 .放学路上小明遇到几个社会青年向同学索要“保护费”,及时拨打“110”报警。

判断:                                                                                                                                                  

理由: