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소수점 1자리 덧셈

1
5.4
+
7.2
=
12.6
2
6.6
+
5.8
=
12.4
3
1.1
+
8.6
=
9.7
4
3.7
+
5.4
=
9.1
5
7.2
+
3.1
=
10.3
6
2.5
+
6.8
=
9.3
7
2.1
+
4.5
=
6.6
8
6.4
+
5.6
=
12
9
5.8
+
3.1
=
8.9
10
8.4
+
2.3
=
10.7
11
3.1
+
5.9
=
9
12
2.9
+
3.2
=
6.1
13
6.6
+
4.2
=
10.8
14
9.2
+
3.5
=
12.7
15
3.9
+
9.4
=
13.3