異なる分母の足し算

異なる分母の足し算が出題されます。(通分と約分)

名前入力欄

使い方をみる

なまえくみばん

/20

(1)
14
+
12
=
34
(2)
12
+
37
=
1314
(3)
13
+
12
=
56
(4)
13
+
12
=
56
(5)
27
+
35
=
3135
(6)
23
+
27
=
2021
(7)
49
+
13
=
79
(8)
23
+
14
=
1112
(9)
29
+
38
=
4372
(10)
13
+
27
=
1321
(11)
29
+
58
=
6172
(12)
23
+
29
=
89
(13)
12
+
29
=
1318
(14)
47
+
38
=
5356
(15)
12
+
29
=
1318
(16)
27
+
38
=
3756
(17)
49
+
49
=
89
(18)
25
+
25
=
45
(19)
12
+
29
=
1318
(20)
47
+
27
=
67

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