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소수점 1자리 덧셈

1
2.3
+
3.1
=
5.4
2
7.1
+
1.7
=
8.8
3
4.2
+
4.2
=
8.4
4
7.2
+
2.2
=
9.4
5
6.3
+
1.6
=
7.9
6
6.5
+
4.9
=
11.4
7
5.5
+
7.7
=
13.2
8
3.7
+
5.1
=
8.8
9
5.3
+
5.2
=
10.5
10
6.1
+
7.7
=
13.8
11
1.3
+
4.1
=
5.4
12
5.2
+
5.2
=
10.4
13
7.1
+
1.2
=
8.3
14
4.5
+
2.4
=
6.9
15
4.6
+
3.4
=
8