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소수점 1자리 덧셈

1
3.8
+
5.1
=
8.9
2
6.3
+
1.7
=
8
3
4.4
+
2.9
=
7.3
4
3.9
+
3.1
=
7
5
4.5
+
2.5
=
7
6
2.3
+
8.1
=
10.4
7
5.1
+
4.2
=
9.3
8
9.2
+
9.5
=
18.7
9
5.3
+
3.2
=
8.5
10
1.4
+
3.1
=
4.5
11
1.5
+
6.7
=
8.2
12
4.7
+
4.7
=
9.4
13
1.9
+
5.6
=
7.5
14
3.2
+
7.1
=
10.3
15
1.1
+
6.3
=
7.4