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)
28
×
0.5
=
18
(2)
79
×
0.8
=
2845
(3)
16
×
0.3
=
120
(4)
89
×
0.4
=
1645
(5)
14
×
0.9
=
940
(6)
46
×
0.2
=
215
(7)
38
×
0.7
=
2180
(8)
46
×
0.6
=
25
(9)
25
×
0.1
=
125
(10)
12
×
0.5
=
14
(11)
59
×
0.3
=
16
(12)
68
×
0.6
=
920
(13)
34
×
0.9
=
2740
(14)
16
×
0.2
=
130
(15)
47
×
0.7
=
25
(16)
38
×
0.8
=
310
(17)
89
×
0.1
=
445
(18)
12
×
0.4
=
15
(19)
25
×
0.4
=
425
(20)
69
×
0.1
=
115

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