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소수점 1자리 덧셈

1
5.4
+
2.3
=
7.7
2
1.2
+
9.9
=
11.1
3
3.4
+
8.1
=
11.5
4
8.3
+
4.2
=
12.5
5
4.4
+
8.3
=
12.7
6
9.9
+
3.6
=
13.5
7
1.1
+
1.1
=
2.2
8
9.6
+
3.4
=
13
9
9.7
+
1.6
=
11.3
10
7.1
+
4.6
=
11.7
11
1.8
+
5.1
=
6.9
12
6.9
+
7.8
=
14.7
13
5.9
+
1.2
=
7.1
14
4.6
+
4.2
=
8.8
15
4.8
+
3.4
=
8.2