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소수점 1자리 덧셈

1
3.9
+
2.4
=
6.3
2
9.9
+
3.7
=
13.6
3
2.3
+
1.7
=
4
4
1.5
+
1.3
=
2.8
5
2.2
+
5.7
=
7.9
6
2.2
+
8.4
=
10.6
7
3.5
+
9.9
=
13.4
8
5.5
+
1.6
=
7.1
9
1.3
+
2.6
=
3.9
10
5.3
+
9.7
=
15
11
4.6
+
5.1
=
9.7
12
6.9
+
1.4
=
8.3
13
4.6
+
3.7
=
8.3
14
4.1
+
9.5
=
13.6
15
6.9
+
6.1
=
13