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소수점 1자리 덧셈

1
8.4
+
7.5
=
15.9
2
1.9
+
4.2
=
6.1
3
7.3
+
1.6
=
8.9
4
4.2
+
2.7
=
6.9
5
5.5
+
3.7
=
9.2
6
8.1
+
5.2
=
13.3
7
2.8
+
4.1
=
6.9
8
4.2
+
4.9
=
9.1
9
5.1
+
7.1
=
12.2
10
2.3
+
3.2
=
5.5
11
2.1
+
9.4
=
11.5
12
5.7
+
3.8
=
9.5
13
7.4
+
9.8
=
17.2
14
2.8
+
5.5
=
8.3
15
1.5
+
2.7
=
4.2