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)
45
×
8
=
6
25
(2)
13
×
5
=
1
23
(3)
1625
×
20
=
12
45
(4)
320
×
4
=
35
(5)
23
×
9
=
6
(6)
19
×
15
=
1
23
(7)
215
×
12
=
1
35
(8)
910
×
6
=
5
25
(9)
825
×
2
=
1625
(10)
12
×
3
=
1
12
(11)
13
×
5
=
1
23
(12)
225
×
3
=
625
(13)
316
×
6
=
1
18
(14)
16
×
4
=
23
(15)
67
×
15
=
12
67
(16)
110
×
20
=
2
(17)
15
×
2
=
25
(18)
57
×
9
=
6
37
(19)
19
×
8
=
89
(20)
38
×
12
=
4
12

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