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소수점 1자리 덧셈

1
2.5
+
7.4
=
9.9
2
8.6
+
5.2
=
13.8
3
6.2
+
1.9
=
8.1
4
7.8
+
4.1
=
11.9
5
6.1
+
5.1
=
11.2
6
1.2
+
2.4
=
3.6
7
9.3
+
2.8
=
12.1
8
2.6
+
1.5
=
4.1
9
3.4
+
2.8
=
6.2
10
1.1
+
5.3
=
6.4
11
1.7
+
9.5
=
11.2
12
1.3
+
1.5
=
2.8
13
2.4
+
3.5
=
5.9
14
2.3
+
1.2
=
3.5
15
2.7
+
5.3
=
8