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소수점 1자리 덧셈

1
1.8
+
8.4
=
10.2
2
4.2
+
2.4
=
6.6
3
2.4
+
3.5
=
5.9
4
4.9
+
5.3
=
10.2
5
8.2
+
4.3
=
12.5
6
1.6
+
4.4
=
6
7
2.4
+
8.5
=
10.9
8
1.1
+
1.8
=
2.9
9
1.3
+
8.3
=
9.6
10
2.8
+
6.3
=
9.1
11
4.4
+
5.8
=
10.2
12
5.2
+
8.3
=
13.5
13
7.5
+
6.3
=
13.8
14
4.1
+
2.3
=
6.4
15
1.3
+
9.6
=
10.9