分数×小数の計算(1)

分数×小数の計算が出題されます。

名前入力欄

使い方をみる

なまえくみばん

/20

(1)
57
×
0.5
=
514
(2)
28
×
0.2
=
120
(3)
13
×
0.6
=
15
(4)
39
×
0.9
=
310
(5)
25
×
0.4
=
425
(6)
46
×
0.7
=
715
(7)
79
×
0.8
=
2845
(8)
18
×
0.3
=
380
(9)
36
×
0.1
=
120
(10)
78
×
0.7
=
4980
(11)
25
×
0.9
=
925
(12)
69
×
0.5
=
13
(13)
17
×
0.2
=
135
(14)
19
×
0.6
=
115
(15)
35
×
0.1
=
350
(16)
68
×
0.4
=
310
(17)
56
×
0.8
=
23
(18)
39
×
0.3
=
110
(19)
45
×
0.3
=
625
(20)
17
×
0.7
=
110

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