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소수점 1자리 덧셈

1
3.1
+
9.4
=
12.5
2
1.2
+
4.1
=
5.3
3
1.2
+
2.7
=
3.9
4
4.1
+
7.3
=
11.4
5
5.4
+
3.2
=
8.6
6
8.9
+
5.3
=
14.2
7
2.2
+
5.7
=
7.9
8
2.3
+
1.5
=
3.8
9
7.7
+
3.9
=
11.6
10
6.5
+
5.4
=
11.9
11
4.2
+
6.4
=
10.6
12
1.6
+
4.9
=
6.5
13
9.4
+
3.6
=
13
14
4.8
+
2.2
=
7
15
2.2
+
5.6
=
7.8