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소수점 1자리 덧셈

1
3.9
+
6.5
=
10.4
2
2.6
+
3.1
=
5.7
3
3.7
+
9.2
=
12.9
4
7.1
+
4.5
=
11.6
5
2.3
+
4.8
=
7.1
6
3.8
+
7.6
=
11.4
7
3.4
+
2.4
=
5.8
8
4.1
+
7.3
=
11.4
9
4.1
+
3.1
=
7.2
10
8.5
+
7.1
=
15.6
11
5.7
+
5.3
=
11
12
2.4
+
5.3
=
7.7
13
1.3
+
8.2
=
9.5
14
4.4
+
5.1
=
9.5
15
1.5
+
5.5
=
7