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소수점 1자리 덧셈

1
1.3
+
8.9
=
10.2
2
3.4
+
9.5
=
12.9
3
2.3
+
9.7
=
12
4
1.5
+
2.4
=
3.9
5
6.6
+
1.8
=
8.4
6
4.7
+
4.5
=
9.2
7
6.1
+
5.8
=
11.9
8
9.3
+
3.7
=
13
9
4.3
+
8.4
=
12.7
10
9.5
+
3.2
=
12.7
11
8.8
+
5.9
=
14.7
12
5.1
+
9.3
=
14.4
13
1.7
+
8.5
=
10.2
14
7.5
+
1.3
=
8.8
15
3.3
+
4.8
=
8.1