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소수점 1자리 덧셈

1
3.2
+
5.4
=
8.6
2
1.3
+
8.4
=
9.7
3
2.8
+
4.5
=
7.3
4
9.2
+
8.7
=
17.9
5
1.5
+
3.3
=
4.8
6
6.4
+
3.5
=
9.9
7
4.5
+
4.5
=
9
8
4.5
+
2.1
=
6.6
9
8.5
+
8.7
=
17.2
10
4.4
+
7.5
=
11.9
11
9.2
+
5.3
=
14.5
12
4.5
+
9.4
=
13.9
13
6.4
+
1.7
=
8.1
14
6.5
+
8.3
=
14.8
15
5.5
+
4.2
=
9.7