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소수점 1자리 덧셈

1
5.2
+
7.1
=
12.3
2
7.5
+
5.6
=
13.1
3
1.3
+
2.5
=
3.8
4
7.1
+
6.4
=
13.5
5
3.8
+
4.5
=
8.3
6
4.5
+
2.3
=
6.8
7
8.7
+
6.2
=
14.9
8
4.9
+
1.5
=
6.4
9
3.3
+
6.8
=
10.1
10
2.2
+
6.2
=
8.4
11
4.5
+
5.4
=
9.9
12
7.8
+
1.1
=
8.9
13
4.3
+
2.4
=
6.7
14
5.8
+
5.5
=
11.3
15
5.2
+
2.6
=
7.8