五年级下册数学约分练习题
绝世美人儿
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2021年01月23日 01:44
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-钱塘湖春行译文
约分练习题
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24
64
35
28
57
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36
80
26
51
91
=
68
=
12
36
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16
80
=
20
25
56
=
60
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15
36
=
75
90
=
32
36
36
=
80
=
49
16
40
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32
48
=
39
78
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24
64
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40
72
=
70
54
81
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30
36
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18
45
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28
48
=
42
70
=
95
75
95
=
72
96
=
57
76
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30
75
=
45
80
=
46
48
50
51
52
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82
84
75
85
90
10
1214
16
18
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=
=
=
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36
60
12
48
=
12
56
=
20
36
=
20
75
=
30
15
48
=
75
=
36
34
64
=
51
=
49
12
72
=
25
80
=
25
75
=
35
75
=
64
16
48
=
30
75
=
32
48
=
42
70
=
81
18
90
=
28
91
=
36
96
=
45
95
=