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소수점 1자리 덧셈

1
3.7
+
8.2
=
11.9
2
4.8
+
2.6
=
7.4
3
3.2
+
4.6
=
7.8
4
6.3
+
3.8
=
10.1
5
3.1
+
4.9
=
8
6
5.5
+
5.4
=
10.9
7
5.7
+
5.6
=
11.3
8
6.6
+
1.6
=
8.2
9
5.8
+
1.1
=
6.9
10
5.8
+
4.9
=
10.7
11
9.6
+
1.4
=
11
12
3.1
+
6.2
=
9.3
13
5.9
+
1.5
=
7.4
14
8.3
+
6.9
=
15.2
15
3.8
+
3.4
=
7.2