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소수점 1자리 덧셈

1
3.9
+
2.3
=
6.2
2
9.3
+
8.7
=
18
3
5.9
+
2.3
=
8.2
4
9.1
+
1.3
=
10.4
5
6.3
+
2.8
=
9.1
6
5.5
+
3.5
=
9
7
2.6
+
4.3
=
6.9
8
5.7
+
2.5
=
8.2
9
9.8
+
2.2
=
12
10
5.1
+
6.3
=
11.4
11
6.1
+
2.1
=
8.2
12
8.2
+
2.2
=
10.4
13
3.1
+
3.6
=
6.7
14
1.8
+
3.2
=
5
15
3.5
+
5.8
=
9.3