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소수점 1자리 덧셈

1
2.8
+
3.1
=
5.9
2
3.5
+
2.5
=
6
3
4.3
+
8.3
=
12.6
4
6.2
+
7.7
=
13.9
5
4.2
+
6.1
=
10.3
6
9.4
+
4.7
=
14.1
7
3.7
+
3.4
=
7.1
8
2.2
+
4.6
=
6.8
9
4.7
+
7.1
=
11.8
10
1.6
+
2.4
=
4
11
2.5
+
2.7
=
5.2
12
3.5
+
9.1
=
12.6
13
2.5
+
8.5
=
11
14
3.8
+
5.4
=
9.2
15
5.9
+
8.6
=
14.5