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소수점 1자리 덧셈

1
4.2
+
3.9
=
8.1
2
1.1
+
3.2
=
4.3
3
2.7
+
1.3
=
4
4
1.4
+
2.2
=
3.6
5
9.6
+
1.2
=
10.8
6
5.4
+
9.6
=
15
7
2.4
+
5.3
=
7.7
8
4.5
+
5.3
=
9.8
9
7.6
+
3.6
=
11.2
10
3.4
+
1.1
=
4.5
11
8.1
+
3.6
=
11.7
12
9.5
+
5.9
=
15.4
13
5.4
+
2.2
=
7.6
14
4.8
+
2.2
=
7
15
4.5
+
1.4
=
5.9