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소수점 1자리 덧셈

1
5.3
+
7.5
=
12.8
2
8.9
+
3.6
=
12.5
3
7.1
+
5.8
=
12.9
4
3.7
+
7.3
=
11
5
4.9
+
8.2
=
13.1
6
5.1
+
7.4
=
12.5
7
8.1
+
3.1
=
11.2
8
9.2
+
1.7
=
10.9
9
5.4
+
8.4
=
13.8
10
1.8
+
3.7
=
5.5
11
6.5
+
8.4
=
14.9
12
9.8
+
2.4
=
12.2
13
7.5
+
7.3
=
14.8
14
6.9
+
1.8
=
8.7
15
6.4
+
3.4
=
9.8