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소수점 1자리 덧셈

1
2.4
+
8.1
=
10.5
2
5.4
+
6.6
=
12
3
2.5
+
3.9
=
6.4
4
4.5
+
3.8
=
8.3
5
1.1
+
6.5
=
7.6
6
1.6
+
4.8
=
6.4
7
6.1
+
7.7
=
13.8
8
4.9
+
4.3
=
9.2
9
5.1
+
6.3
=
11.4
10
2.6
+
4.2
=
6.8
11
4.3
+
9.3
=
13.6
12
6.8
+
4.2
=
11
13
3.2
+
1.3
=
4.5
14
8.4
+
8.6
=
17
15
7.5
+
1.4
=
8.9