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소수점 1자리 덧셈

1
2.4
+
1.2
=
3.6
2
2.8
+
7.8
=
10.6
3
5.6
+
4.5
=
10.1
4
3.6
+
2.3
=
5.9
5
5.2
+
3.5
=
8.7
6
2.5
+
1.4
=
3.9
7
5.5
+
6.2
=
11.7
8
5.2
+
4.8
=
10
9
2.8
+
6.4
=
9.2
10
6.3
+
1.5
=
7.8
11
9.2
+
6.5
=
15.7
12
6.9
+
2.8
=
9.7
13
1.4
+
9.4
=
10.8
14
7.6
+
5.7
=
13.3
15
2.1
+
9.4
=
11.5