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소수점 1자리 덧셈

1
2.9
+
8.1
=
11
2
3.4
+
9.1
=
12.5
3
6.5
+
6.5
=
13
4
2.1
+
5.9
=
8
5
5.3
+
1.7
=
7
6
4.8
+
2.9
=
7.7
7
5.2
+
6.4
=
11.6
8
2.4
+
1.6
=
4
9
5.4
+
2.3
=
7.7
10
1.9
+
5.4
=
7.3
11
8.7
+
2.1
=
10.8
12
8.4
+
6.4
=
14.8
13
5.9
+
4.6
=
10.5
14
3.5
+
8.4
=
11.9
15
6.1
+
1.4
=
7.5