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소수점 1자리 덧셈

1
4.5
+
5.4
=
9.9
2
7.2
+
7.9
=
15.1
3
4.9
+
5.3
=
10.2
4
8.9
+
9.1
=
18
5
2.4
+
4.4
=
6.8
6
4.4
+
1.1
=
5.5
7
9.4
+
1.8
=
11.2
8
1.4
+
4.8
=
6.2
9
3.6
+
8.4
=
12
10
6.2
+
6.3
=
12.5
11
4.1
+
8.7
=
12.8
12
5.5
+
5.3
=
10.8
13
7.6
+
5.2
=
12.8
14
2.4
+
5.3
=
7.7
15
4.5
+
7.6
=
12.1