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소수점 1자리 덧셈

1
7.7
+
5.8
=
13.5
2
6.4
+
6.9
=
13.3
3
2.5
+
7.1
=
9.6
4
9.2
+
1.3
=
10.5
5
3.5
+
6.3
=
9.8
6
7.1
+
9.5
=
16.6
7
2.4
+
6.1
=
8.5
8
6.8
+
5.3
=
12.1
9
5.5
+
7.1
=
12.6
10
1.1
+
5.1
=
6.2
11
6.2
+
8.3
=
14.5
12
4.2
+
1.4
=
5.6
13
7.4
+
5.1
=
12.5
14
1.4
+
2.5
=
3.9
15
7.5
+
3.6
=
11.1