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소수점 1자리 덧셈

1
4.6
+
8.5
=
13.1
2
2.4
+
4.8
=
7.2
3
7.4
+
9.3
=
16.7
4
2.1
+
5.4
=
7.5
5
7.7
+
6.3
=
14
6
3.6
+
1.4
=
5
7
4.7
+
2.8
=
7.5
8
5.2
+
6.1
=
11.3
9
3.5
+
2.3
=
5.8
10
5.5
+
7.1
=
12.6
11
9.7
+
9.6
=
19.3
12
3.4
+
4.2
=
7.6
13
7.1
+
6.1
=
13.2
14
1.1
+
5.3
=
6.4
15
1.2
+
9.5
=
10.7