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소수점 1자리 덧셈

1
1.2
+
1.5
=
2.7
2
3.2
+
3.5
=
6.7
3
2.1
+
2.5
=
4.6
4
3.9
+
1.5
=
5.4
5
2.8
+
4.8
=
7.6
6
3.2
+
5.2
=
8.4
7
3.7
+
5.6
=
9.3
8
5.5
+
8.4
=
13.9
9
4.3
+
5.6
=
9.9
10
7.2
+
2.7
=
9.9
11
4.5
+
1.2
=
5.7
12
1.4
+
3.6
=
5
13
4.4
+
5.1
=
9.5
14
7.3
+
9.2
=
16.5
15
2.5
+
1.7
=
4.2