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소수점 1자리 덧셈

1
4.6
+
5.1
=
9.7
2
7.7
+
5.7
=
13.4
3
4.5
+
5.2
=
9.7
4
2.2
+
2.3
=
4.5
5
5.5
+
8.4
=
13.9
6
2.8
+
7.5
=
10.3
7
5.6
+
3.5
=
9.1
8
3.4
+
4.6
=
8
9
8.5
+
3.9
=
12.4
10
6.6
+
2.1
=
8.7
11
4.4
+
4.7
=
9.1
12
5.5
+
5.4
=
10.9
13
4.5
+
2.5
=
7
14
4.1
+
1.7
=
5.8
15
3.7
+
6.2
=
9.9