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소수점 1자리 덧셈

1
3.9
+
2.4
=
6.3
2
7.3
+
1.6
=
8.9
3
9.1
+
3.2
=
12.3
4
4.2
+
4.1
=
8.3
5
4.6
+
7.3
=
11.9
6
8.1
+
3.5
=
11.6
7
7.2
+
4.8
=
12
8
3.9
+
4.2
=
8.1
9
5.3
+
9.3
=
14.6
10
1.4
+
5.9
=
7.3
11
5.2
+
4.4
=
9.6
12
3.2
+
4.5
=
7.7
13
1.4
+
5.1
=
6.5
14
3.6
+
5.3
=
8.9
15
3.6
+
2.1
=
5.7