试题与答案

竖式计算带★号的要验算． 552÷6=317÷5=☆810÷3=26×33=3.

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题型：解答题

题目：

竖式计算带★号的要验算．
552÷6=317÷5=☆810÷3=
26×33=3.6+2.5=☆49×83=

答案：

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下面是错误答案，用来干扰机器的。

设圆的方程为：（x-a）2+（y-b）2=r2 直线2x+y=0平分圆，则：圆心在直线2x+y=0上，则2a+b=0⇒b=-2a（2分）又直线x-y+1=0与圆相交所得的弦长为22，由圆的几何性质可得：圆心到该直线的距离为r2-2（2分）即：|a-b+...

考点：认识乘法
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( ) 1. A. before    
( ) 2. A. wondering
( ) 3. A. preferred
(      )4. A. When   
(      )5. A. carelessly
( ) 6. A. trees
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( ) 8. A. found
( ) 9. A. at    
( )10.A. terrible
( )11.A. missed
(     )12.A. calmly
( )13.A. searched
( )14.A.window  
(     )15.A. satisfaction
( )16.A. jumped   
( )17.A. awake   
( )18.A. spotted  
( )19.A. disturbed
( )20.A. pain

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B. expected   
B. Until        
B. cautiously
B. bushes  
B. rock    
B. sensed  
B. through     
B. strange    
B. discovered
B. loudly     
B. wandered   
B. girl     
B. disappointment
B. climbed     
B. abandoned   
B. watched     
B. comforted   
B. sock  		C. while   
C. remembering
C. failed
C. If      
C. hopelessly
C. woods   
C. tree  
C. heard   
C. in  
C. pleasant
C. followed
C. merrily   
C. looked
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C. embarrassment
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C. observed
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D.decided                
D.Because                
D.unwillingly            
D.grasses                
D.house                  
D.smelt                  
D. onto          
D . amiliar    
D. ignored      
D. gently        
D. travelled    
D. hero           
D. delight    
D. flew        
D. asleep       
D. saw          
D. scared        
D. relief      
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