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소수점 1자리 덧셈

1
5.1
+
3.1
=
8.2
2
5.6
+
5.8
=
11.4
3
5.1
+
8.7
=
13.8
4
5.3
+
1.8
=
7.1
5
2.3
+
7.4
=
9.7
6
1.7
+
2.1
=
3.8
7
5.7
+
6.2
=
11.9
8
3.4
+
6.8
=
10.2
9
1.4
+
6.3
=
7.7
10
4.3
+
8.1
=
12.4
11
2.9
+
4.9
=
7.8
12
5.3
+
5.9
=
11.2
13
3.3
+
8.2
=
11.5
14
6.9
+
6.2
=
13.1
15
2.4
+
3.5
=
5.9