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소수점 1자리 덧셈

1
1.1
+
2.8
=
3.9
2
1.1
+
1.7
=
2.8
3
5.9
+
2.2
=
8.1
4
7.6
+
2.1
=
9.7
5
7.8
+
5.4
=
13.2
6
3.4
+
4.4
=
7.8
7
5.2
+
5.6
=
10.8
8
9.2
+
7.4
=
16.6
9
4.2
+
1.1
=
5.3
10
7.5
+
9.5
=
17
11
4.1
+
4.5
=
8.6
12
1.2
+
4.7
=
5.9
13
3.3
+
6.3
=
9.6
14
2.2
+
2.5
=
4.7
15
1.8
+
9.5
=
11.3