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소수점 1자리 덧셈

1
8.4
+
3.4
=
11.8
2
8.5
+
9.4
=
17.9
3
3.8
+
2.4
=
6.2
4
7.5
+
5.1
=
12.6
5
8.6
+
3.5
=
12.1
6
9.4
+
9.7
=
19.1
7
2.8
+
9.4
=
12.2
8
8.3
+
3.7
=
12
9
5.7
+
1.5
=
7.2
10
6.7
+
4.9
=
11.6
11
3.3
+
6.2
=
9.5
12
1.1
+
5.1
=
6.2
13
3.5
+
7.1
=
10.6
14
1.8
+
6.2
=
8
15
7.3
+
4.2
=
11.5