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소수점 1자리 덧셈

1
3.9
+
5.5
=
9.4
2
1.5
+
9.5
=
11
3
2.6
+
5.5
=
8.1
4
3.5
+
6.6
=
10.1
5
3.6
+
1.8
=
5.4
6
5.6
+
9.3
=
14.9
7
1.8
+
6.3
=
8.1
8
9.5
+
8.2
=
17.7
9
4.2
+
7.2
=
11.4
10
8.8
+
2.3
=
11.1
11
5.4
+
2.5
=
7.9
12
1.2
+
3.6
=
4.8
13
6.1
+
1.7
=
7.8
14
4.1
+
2.5
=
6.6
15
1.2
+
8.5
=
9.7