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소수점 1자리 덧셈

1
4.2
+
8.4
=
12.6
2
9.5
+
1.6
=
11.1
3
6.5
+
5.5
=
12
4
5.8
+
2.3
=
8.1
5
4.4
+
5.7
=
10.1
6
3.6
+
1.8
=
5.4
7
6.9
+
1.3
=
8.2
8
7.3
+
6.1
=
13.4
9
1.6
+
9.1
=
10.7
10
1.4
+
5.5
=
6.9
11
4.5
+
8.1
=
12.6
12
5.2
+
6.1
=
11.3
13
3.5
+
2.4
=
5.9
14
1.1
+
3.7
=
4.8
15
7.3
+
6.1
=
13.4