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소수점 1자리 덧셈

1
4.2
+
7.1
=
11.3
2
3.8
+
2.6
=
6.4
3
3.1
+
7.7
=
10.8
4
3.1
+
5.5
=
8.6
5
2.5
+
2.6
=
5.1
6
6.6
+
4.9
=
11.5
7
7.4
+
3.8
=
11.2
8
8.1
+
2.2
=
10.3
9
7.2
+
4.9
=
12.1
10
2.2
+
3.8
=
6
11
6.2
+
7.3
=
13.5
12
7.4
+
1.1
=
8.5
13
3.7
+
4.9
=
8.6
14
3.5
+
4.5
=
8
15
7.1
+
1.6
=
8.7