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소수점 1자리 덧셈

1
5.4
+
2.1
=
7.5
2
8.2
+
4.5
=
12.7
3
8.1
+
7.4
=
15.5
4
2.7
+
2.5
=
5.2
5
5.5
+
2.3
=
7.8
6
3.4
+
2.9
=
6.3
7
5.4
+
6.4
=
11.8
8
5.5
+
4.3
=
9.8
9
2.4
+
9.5
=
11.9
10
6.9
+
8.1
=
15
11
4.3
+
5.5
=
9.8
12
5.1
+
7.2
=
12.3
13
6.1
+
1.5
=
7.6
14
1.3
+
1.4
=
2.7
15
3.2
+
2.9
=
6.1