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소수점 1자리 덧셈

1
3.1
+
2.4
=
5.5
2
7.8
+
2.4
=
10.2
3
3.3
+
3.1
=
6.4
4
5.4
+
6.3
=
11.7
5
5.3
+
8.2
=
13.5
6
3.4
+
4.6
=
8
7
8.1
+
8.3
=
16.4
8
5.5
+
8.4
=
13.9
9
3.7
+
1.9
=
5.6
10
4.9
+
5.6
=
10.5
11
9.9
+
6.4
=
16.3
12
1.1
+
6.3
=
7.4
13
5.2
+
4.5
=
9.7
14
3.5
+
6.5
=
10
15
1.4
+
2.3
=
3.7