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소수점 1자리 덧셈

1
3.1
+
7.4
=
10.5
2
1.2
+
2.1
=
3.3
3
3.1
+
1.2
=
4.3
4
7.5
+
2.4
=
9.9
5
5.3
+
9.2
=
14.5
6
9.9
+
6.4
=
16.3
7
6.3
+
5.1
=
11.4
8
1.3
+
6.2
=
7.5
9
4.1
+
5.4
=
9.5
10
8.1
+
1.1
=
9.2
11
3.7
+
6.1
=
9.8
12
3.4
+
9.8
=
13.2
13
1.3
+
3.9
=
5.2
14
3.8
+
2.6
=
6.4
15
8.4
+
2.7
=
11.1