計算：（每小題6分，共24分）
(1)   
(2)   
(3)   
(4)   

（1）
（2）-16
（3）-49
（4）-19解析:

(1) 解：原式····································································· 1分
································································ 2分
··········································································· 4分
·················································································· 6分
(2) 解：原式························································· 1分
······························································ 4分
·········································································· 5分
················································································ 6分
(3) 解：原式·························································· 3分
······································································ 4分
················································································ 6分
(4) 解：原式···················································· 2分
······························································ 3分
····································································· 4分
··········································································· 5分
··············································································· 6分
練習冊系列答案
相關習題

科目：初中數(shù)學 來源： 題型：

計算：（每小題3分，共6分）
（1）(
6
-
2
)÷
2
；
（2）(
2
+
3
)2-
3
(
1
3
-
8
)．

查看答案和解析>>

科目：初中數(shù)學 來源： 題型：

計算：（每小題4分，共16分）

（1）         （2）              

（3）             （4）

 

查看答案和解析>>

科目：初中數(shù)學 來源： 題型：

計算：（每小題6分，共24分）

(1)   

(2)   

(3)   

(4)   

 

查看答案和解析>>

科目：初中數(shù)學 來源：2010年上海市七年級數(shù)學上冊期末考試數(shù)學卷 題型：選擇題

計算：（每小題6分，共12分）

（1）；    （2）．

 

 

 

 

查看答案和解析>>

科目：初中數(shù)學 來源：2013屆河南省扶溝縣初一下學期第十章數(shù)據(jù)的收集，整理和描述檢測題 題型：解答題

.計算：（每小題5分，共10分）

（1）

（2）

 

 

查看答案和解析>>

同步練習冊答案