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소수점 1자리 덧셈

1
3.5
+
7.4
=
10.9
2
1.9
+
3.8
=
5.7
3
2.9
+
5.2
=
8.1
4
8.9
+
4.1
=
13
5
8.1
+
3.6
=
11.7
6
6.3
+
1.6
=
7.9
7
3.5
+
6.1
=
9.6
8
8.1
+
5.2
=
13.3
9
1.3
+
1.1
=
2.4
10
1.1
+
4.4
=
5.5
11
4.1
+
5.3
=
9.4
12
9.8
+
3.8
=
13.6
13
3.6
+
3.5
=
7.1
14
8.4
+
3.5
=
11.9
15
4.6
+
5.1
=
9.7