分数×整数の計算(2)

分数×整数の計算が出題されます。

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/20

(1)
37
×
12
=
5
17
(2)
815
×
3
=
1
35
(3)
1625
×
8
=
5
325
(4)
18
×
4
=
12
(5)
13
×
15
=
5
(6)
23
×
6
=
4
(7)
23
×
2
=
1
13
(8)
116
×
20
=
1
14
(9)
57
×
9
=
6
37
(10)
110
×
5
=
12
(11)
12
×
6
=
3
(12)
89
×
5
=
4
49
(13)
59
×
12
=
6
23
(14)
45
×
15
=
12
(15)
110
×
9
=
910
(16)
1625
×
8
=
5
325
(17)
37
×
4
=
1
57
(18)
16
×
3
=
12
(19)
13
×
20
=
6
23
(20)
27
×
2
=
47

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