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소수점 1자리 덧셈

1
6.9
+
6.6
=
13.5
2
3.9
+
9.4
=
13.3
3
5.7
+
4.1
=
9.8
4
7.1
+
7.2
=
14.3
5
9.3
+
8.4
=
17.7
6
4.4
+
5.6
=
10
7
2.1
+
7.9
=
10
8
7.9
+
1.4
=
9.3
9
3.6
+
1.5
=
5.1
10
7.3
+
7.7
=
15
11
3.7
+
2.1
=
5.8
12
6.4
+
3.3
=
9.7
13
6.5
+
6.6
=
13.1
14
3.9
+
5.5
=
9.4
15
8.7
+
5.3
=
14