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소수점 1자리 덧셈

1
2.9
+
8.1
=
11
2
3.1
+
2.4
=
5.5
3
2.2
+
2.5
=
4.7
4
9.1
+
4.5
=
13.6
5
5.4
+
3.4
=
8.8
6
1.7
+
9.4
=
11.1
7
1.1
+
2.4
=
3.5
8
6.6
+
6.2
=
12.8
9
1.9
+
2.2
=
4.1
10
1.2
+
3.1
=
4.3
11
4.9
+
4.8
=
9.7
12
9.1
+
8.3
=
17.4
13
5.3
+
5.6
=
10.9
14
3.3
+
6.1
=
9.4
15
2.5
+
4.9
=
7.4