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)
28
×
0.3
=
340
(2)
49
×
0.1
=
245
(3)
17
×
0.6
=
335
(4)
49
×
0.7
=
1445
(5)
37
×
0.4
=
635
(6)
18
×
0.5
=
116
(7)
25
×
0.2
=
225
(8)
19
×
0.9
=
110
(9)
37
×
0.8
=
1235
(10)
46
×
0.6
=
25
(11)
28
×
0.4
=
110
(12)
12
×
0.7
=
720
(13)
69
×
0.8
=
815
(14)
26
×
0.1
=
130
(15)
38
×
0.2
=
340
(16)
19
×
0.9
=
110
(17)
57
×
0.5
=
514
(18)
28
×
0.3
=
340
(19)
36
×
0.3
=
320
(20)
26
×
0.7
=
730

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