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)
49
×
0.1
=
245
(2)
56
×
0.4
=
13
(3)
25
×
0.5
=
15
(4)
78
×
0.7
=
4980
(5)
34
×
0.6
=
920
(6)
17
×
0.9
=
970
(7)
47
×
0.8
=
1635
(8)
59
×
0.3
=
16
(9)
36
×
0.2
=
110
(10)
18
×
0.4
=
120
(11)
25
×
0.3
=
325
(12)
79
×
0.7
=
4990
(13)
28
×
0.1
=
140
(14)
17
×
0.8
=
435
(15)
34
×
0.5
=
38
(16)
89
×
0.2
=
845
(17)
68
×
0.6
=
920
(18)
27
×
0.9
=
935
(19)
12
×
0.6
=
310
(20)
15
×
0.1
=
150

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