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소수점 1자리 덧셈

1
2.3
+
5.5
=
7.8
2
7.8
+
8.8
=
16.6
3
4.9
+
5.5
=
10.4
4
4.2
+
2.2
=
6.4
5
1.4
+
7.6
=
9
6
2.2
+
2.5
=
4.7
7
1.2
+
5.1
=
6.3
8
2.2
+
2.4
=
4.6
9
5.7
+
8.6
=
14.3
10
2.2
+
9.2
=
11.4
11
1.6
+
7.4
=
9
12
6.2
+
2.3
=
8.5
13
5.9
+
5.3
=
11.2
14
4.2
+
6.7
=
10.9
15
2.6
+
4.8
=
7.4