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소수점 1자리 덧셈

1
3.7
+
1.1
=
4.8
2
8.8
+
3.4
=
12.2
3
3.2
+
9.2
=
12.4
4
8.1
+
3.9
=
12
5
5.4
+
4.6
=
10
6
1.1
+
3.5
=
4.6
7
9.1
+
5.9
=
15
8
6.6
+
2.3
=
8.9
9
4.3
+
2.3
=
6.6
10
8.2
+
6.9
=
15.1
11
5.9
+
4.6
=
10.5
12
3.9
+
4.9
=
8.8
13
1.1
+
5.7
=
6.8
14
8.8
+
3.5
=
12.3
15
2.2
+
1.5
=
3.7