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소수점 1자리 덧셈

1
3.5
+
2.8
=
6.3
2
6.7
+
3.7
=
10.4
3
5.9
+
3.5
=
9.4
4
5.8
+
1.3
=
7.1
5
8.1
+
4.1
=
12.2
6
9.3
+
6.2
=
15.5
7
4.3
+
8.1
=
12.4
8
6.3
+
9.2
=
15.5
9
5.5
+
8.9
=
14.4
10
7.9
+
1.3
=
9.2
11
3.3
+
8.3
=
11.6
12
8.6
+
7.8
=
16.4
13
1.2
+
4.6
=
5.8
14
3.3
+
6.7
=
10
15
4.1
+
7.3
=
11.4