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소수점 1자리 덧셈

1
2.5
+
4.2
=
6.7
2
4.6
+
3.4
=
8
3
4.1
+
4.4
=
8.5
4
4.2
+
9.6
=
13.8
5
3.9
+
4.9
=
8.8
6
7.2
+
7.4
=
14.6
7
5.9
+
2.9
=
8.8
8
3.2
+
8.3
=
11.5
9
8.2
+
2.9
=
11.1
10
3.7
+
3.1
=
6.8
11
7.6
+
1.2
=
8.8
12
3.2
+
8.5
=
11.7
13
8.8
+
3.8
=
12.6
14
2.5
+
9.5
=
12
15
3.7
+
1.4
=
5.1