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소수점 1자리 덧셈

1
5.4
+
5.5
=
10.9
2
5.2
+
9.8
=
15
3
2.4
+
3.8
=
6.2
4
7.4
+
2.1
=
9.5
5
2.4
+
6.5
=
8.9
6
5.3
+
3.5
=
8.8
7
4.3
+
4.5
=
8.8
8
7.9
+
1.1
=
9
9
7.4
+
4.7
=
12.1
10
5.7
+
3.8
=
9.5
11
1.5
+
2.9
=
4.4
12
2.7
+
2.5
=
5.2
13
3.7
+
1.9
=
5.6
14
5.5
+
4.8
=
10.3
15
8.4
+
7.1
=
15.5