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
×
0.4
=
215
(2)
68
×
0.6
=
920
(3)
57
×
0.9
=
914
(4)
12
×
0.8
=
25
(5)
45
×
0.2
=
425
(6)
24
×
0.1
=
120
(7)
23
×
0.5
=
13
(8)
39
×
0.3
=
110
(9)
68
×
0.7
=
2140
(10)
56
×
0.8
=
23
(11)
17
×
0.4
=
235
(12)
36
×
0.6
=
310
(13)
78
×
0.1
=
780
(14)
23
×
0.3
=
15
(15)
67
×
0.2
=
635
(16)
59
×
0.7
=
718
(17)
15
×
0.9
=
950
(18)
47
×
0.5
=
27
(19)
89
×
0.9
=
45
(20)
36
×
0.1
=
120

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