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소수점 1자리 덧셈

1
5.5
+
9.4
=
14.9
2
2.9
+
2.3
=
5.2
3
3.3
+
7.7
=
11
4
3.5
+
2.2
=
5.7
5
1.2
+
8.7
=
9.9
6
2.1
+
4.3
=
6.4
7
8.6
+
3.2
=
11.8
8
9.4
+
7.7
=
17.1
9
1.8
+
8.5
=
10.3
10
5.3
+
1.5
=
6.8
11
9.1
+
2.1
=
11.2
12
5.3
+
5.2
=
10.5
13
7.3
+
6.2
=
13.5
14
1.7
+
4.5
=
6.2
15
8.8
+
3.6
=
12.4