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소수점 1자리 덧셈

1
1.8
+
6.5
=
8.3
2
5.7
+
3.2
=
8.9
3
7.4
+
3.9
=
11.3
4
3.4
+
4.4
=
7.8
5
8.4
+
5.9
=
14.3
6
6.2
+
2.4
=
8.6
7
6.9
+
4.7
=
11.6
8
8.3
+
2.7
=
11
9
1.2
+
3.1
=
4.3
10
4.4
+
2.4
=
6.8
11
1.5
+
4.6
=
6.1
12
2.1
+
8.6
=
10.7
13
3.1
+
7.9
=
11
14
1.3
+
1.2
=
2.5
15
3.9
+
1.5
=
5.4