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소숫점: 1자리 덧셈12

1
1.2
+
1.1
=
2.3
2
4.2
+
8.4
=
12.6
3
8.1
+
2.4
=
10.5
4
1.2
+
6.2
=
7.4
5
6.6
+
5.2
=
11.8
6
4.4
+
7.4
=
11.8
7
6.7
+
4.7
=
11.4
8
5.5
+
7.6
=
13.1
9
3.7
+
8.5
=
12.2
10
6.4
+
1.5
=
7.9
11
5.8
+
3.4
=
9.2
12
2.2
+
4.4
=
6.6
13
1.4
+
3.4
=
4.8
14
1.2
+
8.6
=
9.8
15
3.4
+
4.7
=
8.1