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소수점 1자리 덧셈

1
7.8
+
2.5
=
10.3
2
4.1
+
7.6
=
11.7
3
2.1
+
6.8
=
8.9
4
2.9
+
9.3
=
12.2
5
8.8
+
3.3
=
12.1
6
3.5
+
3.4
=
6.9
7
9.4
+
5.7
=
15.1
8
3.3
+
1.2
=
4.5
9
5.1
+
7.2
=
12.3
10
2.5
+
6.3
=
8.8
11
9.1
+
9.1
=
18.2
12
1.4
+
4.5
=
5.9
13
4.5
+
8.2
=
12.7
14
4.1
+
6.2
=
10.3
15
5.1
+
5.7
=
10.8