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소수점 1자리 덧셈

1
5.5
+
3.4
=
8.9
2
5.8
+
7.5
=
13.3
3
7.4
+
4.2
=
11.6
4
2.2
+
6.8
=
9
5
3.2
+
5.9
=
9.1
6
2.4
+
5.5
=
7.9
7
1.9
+
3.3
=
5.2
8
4.5
+
4.9
=
9.4
9
1.6
+
2.4
=
4
10
5.1
+
1.3
=
6.4
11
3.8
+
1.2
=
5
12
6.9
+
5.8
=
12.7
13
3.2
+
2.5
=
5.7
14
4.9
+
9.1
=
14
15
7.9
+
5.9
=
13.8