分数×小数の計算(2)

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)
47
×
2.8
=
1
35
(2)
35
×
3.3
=
1
4950
(3)
28
×
1.4
=
720
(4)
14
×
3.5
=
78
(5)
79
×
2.4
=
1
1315
(6)
39
×
2.5
=
56
(7)
16
×
3.7
=
3760
(8)
68
×
2.2
=
1
1320
(9)
39
×
1.6
=
815
(10)
57
×
2.7
=
1
1314
(11)
25
×
2.6
=
1
125
(12)
18
×
2.1
=
2180
(13)
26
×
3.2
=
1
115
(14)
37
×
3.6
=
1
1935
(15)
78
×
1.3
=
1
1180
(16)
12
×
3.8
=
1
910
(17)
59
×
1.2
=
23
(18)
27
×
3.4
=
3435
(19)
15
×
2.3
=
2350
(20)
89
×
1.5
=
1
13

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