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소수점 1자리 덧셈

1
3.3
+
1.3
=
4.6
2
6.2
+
6.2
=
12.4
3
7.2
+
9.7
=
16.9
4
2.7
+
5.9
=
8.6
5
3.5
+
4.5
=
8
6
7.2
+
2.6
=
9.8
7
5.9
+
8.4
=
14.3
8
8.4
+
3.6
=
12
9
2.5
+
8.2
=
10.7
10
8.7
+
5.4
=
14.1
11
4.3
+
3.3
=
7.6
12
2.8
+
7.2
=
10
13
4.2
+
4.2
=
8.4
14
2.3
+
5.5
=
7.8
15
2.1
+
2.3
=
4.4