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소수점 1자리 덧셈

1
2.4
+
7.5
=
9.9
2
6.6
+
4.2
=
10.8
3
5.4
+
9.3
=
14.7
4
1.1
+
8.9
=
10
5
9.1
+
2.9
=
12
6
5.2
+
6.3
=
11.5
7
4.7
+
5.5
=
10.2
8
4.3
+
5.2
=
9.5
9
3.6
+
4.3
=
7.9
10
5.2
+
6.1
=
11.3
11
5.6
+
1.2
=
6.8
12
5.6
+
4.5
=
10.1
13
1.8
+
8.1
=
9.9
14
5.4
+
4.9
=
10.3
15
6.2
+
5.1
=
11.3