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소수점 1자리 덧셈

1
3.5
+
2.4
=
5.9
2
2.2
+
7.3
=
9.5
3
7.1
+
5.3
=
12.4
4
7.4
+
8.1
=
15.5
5
6.2
+
8.3
=
14.5
6
9.9
+
2.6
=
12.5
7
8.4
+
5.8
=
14.2
8
5.5
+
4.3
=
9.8
9
7.1
+
3.4
=
10.5
10
2.4
+
1.3
=
3.7
11
5.4
+
8.1
=
13.5
12
4.8
+
2.1
=
6.9
13
6.8
+
1.6
=
8.4
14
6.7
+
5.1
=
11.8
15
6.2
+
6.6
=
12.8