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

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/20

(1)
39
×
0.4
=
215
(2)
67
×
0.6
=
1835
(3)
15
×
0.8
=
425
(4)
69
×
0.7
=
715
(5)
23
×
0.1
=
115
(6)
38
×
0.2
=
340
(7)
17
×
0.9
=
970
(8)
14
×
0.3
=
340
(9)
49
×
0.5
=
29
(10)
67
×
0.4
=
1235
(11)
38
×
0.3
=
980
(12)
23
×
0.6
=
25
(13)
89
×
0.5
=
49
(14)
28
×
0.8
=
15
(15)
17
×
0.1
=
170
(16)
35
×
0.9
=
2750
(17)
17
×
0.7
=
110
(18)
48
×
0.2
=
110
(19)
59
×
0.2
=
19
(20)
49
×
0.4
=
845

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