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)
39
×
0.8
=
415
(2)
28
×
0.5
=
18
(3)
47
×
0.4
=
835
(4)
13
×
0.7
=
730
(5)
23
×
0.9
=
35
(6)
45
×
0.2
=
425
(7)
36
×
0.6
=
310
(8)
57
×
0.3
=
314
(9)
19
×
0.1
=
190
(10)
78
×
0.8
=
710
(11)
57
×
0.7
=
12
(12)
68
×
0.6
=
920
(13)
25
×
0.9
=
925
(14)
13
×
0.4
=
215
(15)
39
×
0.3
=
110
(16)
28
×
0.2
=
120
(17)
49
×
0.5
=
29
(18)
56
×
0.1
=
112
(19)
17
×
0.6
=
335
(20)
34
×
0.5
=
38

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