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소수점 1자리 덧셈

1
2.3
+
5.4
=
7.7
2
8.5
+
4.8
=
13.3
3
3.7
+
3.2
=
6.9
4
6.9
+
4.3
=
11.2
5
8.3
+
1.5
=
9.8
6
5.3
+
3.5
=
8.8
7
3.6
+
4.6
=
8.2
8
1.1
+
6.7
=
7.8
9
2.1
+
9.4
=
11.5
10
6.2
+
8.6
=
14.8
11
3.4
+
4.5
=
7.9
12
7.2
+
4.9
=
12.1
13
3.8
+
4.1
=
7.9
14
3.3
+
4.8
=
8.1
15
2.4
+
7.2
=
9.6