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소수점 1자리 덧셈

1
3.5
+
3.5
=
7
2
6.9
+
5.5
=
12.4
3
2.2
+
2.2
=
4.4
4
9.4
+
3.4
=
12.8
5
5.4
+
4.2
=
9.6
6
2.6
+
3.6
=
6.2
7
7.4
+
9.9
=
17.3
8
4.1
+
7.3
=
11.4
9
9.4
+
6.1
=
15.5
10
7.1
+
4.5
=
11.6
11
7.7
+
1.4
=
9.1
12
2.9
+
3.2
=
6.1
13
6.2
+
6.2
=
12.4
14
2.2
+
8.4
=
10.6
15
6.4
+
9.2
=
15.6