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소수점 1자리 덧셈

1
3.1
+
9.4
=
12.5
2
8.6
+
4.9
=
13.5
3
5.2
+
7.2
=
12.4
4
1.4
+
3.5
=
4.9
5
7.1
+
8.3
=
15.4
6
3.4
+
7.8
=
11.2
7
2.4
+
8.6
=
11
8
6.2
+
9.7
=
15.9
9
4.1
+
4.7
=
8.8
10
9.3
+
4.2
=
13.5
11
1.3
+
2.7
=
4
12
5.4
+
8.4
=
13.8
13
2.2
+
7.6
=
9.8
14
5.3
+
1.4
=
6.7
15
8.7
+
5.4
=
14.1