分数×分数の計算(2)

分数×分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)
516
×
416
=
564
(2)
89
×
612
=
49
(3)
220
×
325
=
3250
(4)
425
×
215
=
8375
(5)
320
×
1620
=
325
(6)
315
×
14
=
120
(7)
2025
×
19
=
445
(8)
215
×
67
=
435
(9)
1216
×
425
=
325
(10)
36
×
220
=
120
(11)
112
×
220
=
1120
(12)
615
×
315
=
225
(13)
220
×
1216
=
340
(14)
38
×
17
=
356
(15)
415
×
812
=
845
(16)
1625
×
425
=
64625
(17)
46
×
625
=
425
(18)
1620
×
59
=
49
(19)
125
×
24
=
150
(20)
27
×
820
=
435

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