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)
25
×
2.6
=
1
125
(2)
17
×
3.5
=
12
(3)
56
×
3.8
=
3
16
(4)
39
×
3.7
=
1
730
(5)
49
×
2.8
=
1
1145
(6)
12
×
3.3
=
1
1320
(7)
25
×
3.6
=
1
1125
(8)
14
×
1.8
=
920
(9)
25
×
2.4
=
2425
(10)
57
×
1.5
=
1
114
(11)
48
×
3.2
=
1
35
(12)
39
×
2.3
=
2330
(13)
39
×
1.6
=
815
(14)
27
×
3.4
=
3435
(15)
78
×
1.3
=
1
1180
(16)
15
×
2.5
=
12
(17)
46
×
1.2
=
45
(18)
69
×
1.4
=
1415
(19)
18
×
2.1
=
2180
(20)
23
×
2.7
=
1
45

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