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소수점 1자리 덧셈

1
4.5
+
7.2
=
11.7
2
9.1
+
3.9
=
13
3
6.2
+
3.6
=
9.8
4
1.3
+
3.1
=
4.4
5
6.1
+
6.9
=
13
6
5.4
+
4.2
=
9.6
7
5.6
+
6.5
=
12.1
8
6.2
+
3.1
=
9.3
9
3.6
+
2.1
=
5.7
10
9.1
+
5.3
=
14.4
11
5.4
+
5.1
=
10.5
12
7.8
+
6.1
=
13.9
13
4.4
+
8.2
=
12.6
14
5.1
+
2.7
=
7.8
15
4.3
+
5.1
=
9.4