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소수점 1자리 덧셈

1
2.9
+
8.1
=
11
2
7.3
+
4.2
=
11.5
3
5.8
+
4.6
=
10.4
4
1.5
+
5.1
=
6.6
5
1.3
+
5.5
=
6.8
6
4.3
+
1.2
=
5.5
7
3.2
+
4.5
=
7.7
8
8.6
+
3.5
=
12.1
9
9.6
+
5.8
=
15.4
10
5.4
+
7.2
=
12.6
11
5.5
+
6.1
=
11.6
12
3.6
+
2.7
=
6.3
13
7.3
+
3.5
=
10.8
14
8.2
+
4.8
=
13
15
5.7
+
1.1
=
6.8