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소수점 1자리 덧셈

1
6.6
+
2.3
=
8.9
2
6.5
+
2.2
=
8.7
3
2.7
+
6.4
=
9.1
4
5.3
+
3.6
=
8.9
5
5.5
+
6.9
=
12.4
6
1.3
+
7.5
=
8.8
7
5.8
+
9.1
=
14.9
8
7.8
+
3.5
=
11.3
9
9.4
+
2.9
=
12.3
10
1.4
+
2.5
=
3.9
11
5.1
+
8.1
=
13.2
12
3.4
+
4.4
=
7.8
13
2.6
+
3.8
=
6.4
14
6.6
+
9.1
=
15.7
15
1.4
+
1.4
=
2.8