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소수점 1자리 덧셈

1
2.4
+
2.5
=
4.9
2
6.6
+
3.9
=
10.5
3
6.4
+
4.5
=
10.9
4
3.9
+
3.1
=
7
5
4.8
+
4.9
=
9.7
6
2.7
+
2.7
=
5.4
7
9.1
+
6.6
=
15.7
8
5.5
+
6.8
=
12.3
9
5.4
+
3.7
=
9.1
10
1.7
+
8.4
=
10.1
11
4.2
+
5.3
=
9.5
12
2.6
+
7.2
=
9.8
13
8.9
+
1.4
=
10.3
14
9.2
+
1.8
=
11
15
5.1
+
5.6
=
10.7