试题:
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=
小数乘法 2016-05-21

答案:

我来补答
(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

456
1216

1216
0


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

 
108
324

 
324
0
 
 
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