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소수점 1자리 덧셈

1
1.9
+
3.8
=
5.7
2
2.4
+
5.4
=
7.8
3
8.3
+
1.5
=
9.8
4
5.5
+
1.3
=
6.8
5
5.7
+
6.1
=
11.8
6
4.1
+
3.2
=
7.3
7
5.6
+
3.1
=
8.7
8
3.8
+
3.4
=
7.2
9
2.1
+
6.3
=
8.4
10
3.6
+
5.3
=
8.9
11
2.5
+
5.4
=
7.9
12
5.3
+
1.3
=
6.6
13
3.1
+
1.1
=
4.2
14
3.6
+
4.7
=
8.3
15
5.6
+
2.5
=
8.1