五年级数学下册约分练习题
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2021年01月23日 01:45
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约分练习题
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64
35
28
57
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36
80
49
70
95
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26
51
16
54
75
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91
68
40
81
95
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12
36
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16
80
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20
56
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25
60
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15
36
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75
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32
36
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36
80
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46
82
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48
84
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32
48
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39
78
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24
64
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40
72
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50
75
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30
36
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18
45
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28
48
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42
70
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51
85
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72
96
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57
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30
75
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45
80
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52
90
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