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소숫점: 1자리 덧셈12

1
1.2
+
1.3
=
2.5
2
4.5
+
3.6
=
8.1
3
2.8
+
2.5
=
5.3
4
2.3
+
4.2
=
6.5
5
8.6
+
3.1
=
11.7
6
4.7
+
9.4
=
14.1
7
6.7
+
3.3
=
10
8
7.6
+
4.1
=
11.7
9
1.3
+
1.3
=
2.6
10
9.4
+
5.9
=
15.3
11
7.7
+
4.5
=
12.2
12
5.5
+
6.3
=
11.8
13
8.4
+
2.2
=
10.6
14
7.4
+
4.2
=
11.6
15
7.3
+
2.6
=
9.9