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소수점 1자리 덧셈

1
3.4
+
8.1
=
11.5
2
8.6
+
5.9
=
14.5
3
3.2
+
5.2
=
8.4
4
7.1
+
6.2
=
13.3
5
1.3
+
5.3
=
6.6
6
9.3
+
8.8
=
18.1
7
8.6
+
4.1
=
12.7
8
5.2
+
9.4
=
14.6
9
2.5
+
4.5
=
7
10
2.1
+
3.3
=
5.4
11
6.2
+
8.3
=
14.5
12
2.8
+
9.4
=
12.2
13
7.4
+
5.7
=
13.1
14
5.5
+
7.5
=
13
15
2.8
+
4.6
=
7.4