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소수점 1자리 덧셈

1
1.7
+
6.9
=
8.6
2
4.1
+
7.5
=
11.6
3
6.9
+
4.5
=
11.4
4
5.7
+
2.4
=
8.1
5
1.2
+
2.7
=
3.9
6
4.5
+
2.4
=
6.9
7
8.3
+
7.2
=
15.5
8
2.4
+
9.4
=
11.8
9
9.5
+
8.7
=
18.2
10
2.1
+
1.3
=
3.4
11
6.9
+
1.4
=
8.3
12
8.5
+
9.5
=
18
13
5.1
+
7.4
=
12.5
14
7.1
+
4.7
=
11.8
15
7.5
+
1.7
=
9.2