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소수점 1자리 덧셈

1
3.9
+
5.4
=
9.3
2
3.4
+
1.1
=
4.5
3
4.3
+
8.7
=
13
4
3.9
+
7.4
=
11.3
5
8.3
+
1.2
=
9.5
6
4.2
+
7.5
=
11.7
7
7.6
+
1.2
=
8.8
8
5.6
+
1.4
=
7
9
4.2
+
2.6
=
6.8
10
9.4
+
5.9
=
15.3
11
3.7
+
1.2
=
4.9
12
6.2
+
4.5
=
10.7
13
3.2
+
6.6
=
9.8
14
7.6
+
6.3
=
13.9
15
5.2
+
2.2
=
7.4