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소수점 1자리 덧셈

1
5.2
+
7.2
=
12.4
2
8.9
+
2.5
=
11.4
3
2.1
+
9.1
=
11.2
4
5.2
+
9.1
=
14.3
5
3.6
+
5.7
=
9.3
6
7.2
+
2.4
=
9.6
7
7.2
+
5.6
=
12.8
8
1.5
+
6.3
=
7.8
9
3.1
+
2.2
=
5.3
10
2.5
+
6.5
=
9
11
3.8
+
9.4
=
13.2
12
8.6
+
2.2
=
10.8
13
3.1
+
4.8
=
7.9
14
7.5
+
1.1
=
8.6
15
5.4
+
8.8
=
14.2