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소수점 1자리 덧셈

1
5.4
+
3.1
=
8.5
2
4.1
+
4.2
=
8.3
3
2.5
+
5.6
=
8.1
4
4.3
+
4.7
=
9
5
1.2
+
4.1
=
5.3
6
4.7
+
4.6
=
9.3
7
2.7
+
8.2
=
10.9
8
8.2
+
9.8
=
18
9
3.2
+
7.6
=
10.8
10
4.4
+
2.4
=
6.8
11
4.4
+
5.2
=
9.6
12
2.8
+
7.4
=
10.2
13
7.5
+
9.9
=
17.4
14
1.1
+
4.2
=
5.3
15
1.3
+
2.5
=
3.8