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소수점 1자리 덧셈

1
1.2
+
2.8
=
4
2
8.3
+
1.4
=
9.7
3
2.8
+
4.4
=
7.2
4
4.5
+
2.4
=
6.9
5
2.6
+
8.2
=
10.8
6
9.4
+
1.8
=
11.2
7
1.1
+
7.6
=
8.7
8
1.2
+
4.6
=
5.8
9
1.4
+
8.5
=
9.9
10
9.4
+
2.1
=
11.5
11
4.5
+
1.3
=
5.8
12
4.1
+
4.2
=
8.3
13
5.6
+
4.9
=
10.5
14
4.2
+
4.1
=
8.3
15
1.6
+
5.5
=
7.1