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소수점 1자리 덧셈

1
3.8
+
1.1
=
4.9
2
1.2
+
8.5
=
9.7
3
4.3
+
1.9
=
6.2
4
1.4
+
6.4
=
7.8
5
8.8
+
2.4
=
11.2
6
4.5
+
3.5
=
8
7
6.6
+
3.4
=
10
8
5.5
+
1.6
=
7.1
9
2.6
+
2.4
=
5
10
8.4
+
9.8
=
18.2
11
2.9
+
1.6
=
4.5
12
3.1
+
4.6
=
7.7
13
4.1
+
2.1
=
6.2
14
3.2
+
4.7
=
7.9
15
3.1
+
5.2
=
8.3