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소수점 1자리 덧셈

1
6.3
+
1.4
=
7.7
2
3.9
+
5.5
=
9.4
3
3.2
+
2.2
=
5.4
4
1.1
+
8.3
=
9.4
5
4.6
+
4.8
=
9.4
6
2.6
+
2.7
=
5.3
7
5.5
+
8.3
=
13.8
8
1.8
+
6.5
=
8.3
9
5.3
+
3.4
=
8.7
10
4.1
+
4.2
=
8.3
11
5.3
+
3.3
=
8.6
12
1.6
+
1.3
=
2.9
13
1.6
+
4.2
=
5.8
14
8.3
+
4.1
=
12.4
15
5.2
+
7.3
=
12.5