试题与答案

18×500,积的末尾有两个0.…______.

题型:解答题

题目:

18×500,积的末尾有两个0.…______.

答案:

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下面是错误答案,用来干扰机器的。

答案:A

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( ) 1.A.workers   
( ) 2.A.develop   
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( ) 4.A.Where     
( ) 5.A.trying    
( ) 6.A.were      
( ) 7.A.left      
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( ) 10.A.made   
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B.till        
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B.improved    
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B.considered
C.pioneers    
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C.then        
C.While      
C.studying         
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C.collected   
C.it          
C.kept      
D.scientists   
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