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소수점 1자리 덧셈

1
5.1
+
3.2
=
8.3
2
8.3
+
8.4
=
16.7
3
5.9
+
6.5
=
12.4
4
4.5
+
5.6
=
10.1
5
3.9
+
9.1
=
13
6
4.2
+
2.8
=
7
7
3.3
+
7.8
=
11.1
8
1.8
+
6.6
=
8.4
9
5.2
+
4.9
=
10.1
10
1.6
+
2.7
=
4.3
11
3.2
+
5.7
=
8.9
12
5.5
+
2.1
=
7.6
13
2.6
+
1.1
=
3.7
14
4.6
+
2.1
=
6.7
15
4.5
+
1.4
=
5.9