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34.2×0.64= 0.63×0.106= 1.06×20.5= 6.8×0.195=
750.4÷0.56= 1.512÷0.36= 57.76÷15.2= 11.124÷54=
分析:本题需要用竖式计算,按照小数乘除法的方法列竖式计算即可.
解答:解:(1)34.2×0.64=21.888;
   34.2
× 0.64
 1368

2052  
21.888


(2)0.63×0.106=0.06678;
    0.63
 
×0.106
     378

  63
0.06678


(3)1.06×20.5=21.73;
   1.0 6
 
×20.5
  530

212    
21.730


(4)6.8×0.195=1.326;
      6.8
 
×0.195
    340

  
612 
68  

.
1.326


(5)750.4÷0.56=1340;
       1340
0.56
750.4

    
56 
190

    
168
224

    
224
   0

(6)1.512÷0.36=4.2;
        4.2
0.36
1.512

    
144
   72

    
72
0


(7)57.76÷15.2=3.8;
         3.8
15.2
57.76

   
45 6
12 16

   
12 16
      0


(8)11.124÷54=0.206.
    0.206
54
11.124

 
108
         324

      
324
   0
点评:本题利用根据小数乘除列竖式的方法计算,注意小数点的位置.
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