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소수점 1자리 덧셈

1
2.5
+
1.4
=
3.9
2
6.7
+
2.4
=
9.1
3
1.5
+
3.9
=
5.4
4
8.2
+
9.1
=
17.3
5
1.4
+
9.4
=
10.8
6
3.3
+
6.1
=
9.4
7
9.4
+
9.2
=
18.6
8
6.9
+
3.9
=
10.8
9
1.7
+
4.7
=
6.4
10
8.4
+
7.2
=
15.6
11
8.4
+
2.4
=
10.8
12
8.5
+
1.2
=
9.7
13
4.6
+
3.4
=
8
14
4.3
+
7.5
=
11.8
15
1.2
+
4.4
=
5.6