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소수점 1자리 덧셈

1
3.9
+
5.5
=
9.4
2
6.1
+
2.3
=
8.4
3
5.8
+
8.1
=
13.9
4
4.9
+
2.5
=
7.4
5
2.5
+
7.3
=
9.8
6
5.7
+
1.5
=
7.2
7
4.2
+
5.2
=
9.4
8
2.7
+
6.5
=
9.2
9
7.7
+
1.2
=
8.9
10
9.2
+
2.4
=
11.6
11
5.2
+
5.5
=
10.7
12
2.3
+
3.2
=
5.5
13
6.3
+
6.2
=
12.5
14
2.5
+
4.8
=
7.3
15
5.4
+
4.6
=
10