题目内容

3.6÷24=
0.15
0.15
0.8×1.1=
0.88
0.88
7.2+12.8=
20
20
46.7-3.8=
42.9
42.9
12.8÷4=
3.2
3.2
5.2÷13=
0.4
0.4
12.5÷5=
2.1
2.1
1.64÷41=
0.04
0.04
10÷20=
0.5
0.5
      
24÷15=
1.6
1.6
       
8.65×10=
86.5
86.5
    
0.35×0.6=
0.21
0.21
3.08×0.01=
0.0308
0.0308
4.95×1000=
4950
4950
 
6.9×0.1=
0.69
0.69
    
0.4×0.5=
0.2
0.2
2.4÷0.8=
3
3
     
10.8÷9=
1.2
1.2
     
9.6÷0.8=
12
12
    
0.108÷2=
0.054
0.054
分析:本题根据小数加减乘除法的运算法则计算即可.
解答:解:
3.6÷24=0.15 0.8×1.1=0.88 7.2+12.8=20 46.7-3.8=42.9
12.8÷4=3.2 5.2÷13=0.4 12.5÷5=2.5 1.64÷41=0.04
10÷20=0.5 24÷15=1.6 8.65×10=86.5 0.35×0.6=0.21
3.08×0.01=0.0308 4.95×1000=4950 6.9×0.1=0.69 0.4×0.5=0.2
2.4÷0.8=3 10.8÷9=1.2 9.6÷0.8=12 0.108÷2=0.054
故答案为:0.15,0.88,20,42.9,3.2,0.4,2.5,0.04,0.5,1.6,86.5,0.21,0.0308,4950,0.69,0.2,3,1.2,12,0.054.
点评:本题考查了学生小数加减、乘除法的计算法则的掌握情况.
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