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소수점 1자리 덧셈

1
4.2
+
2.1
=
6.3
2
3.4
+
6.4
=
9.8
3
2.4
+
3.8
=
6.2
4
9.1
+
1.9
=
11
5
2.1
+
5.2
=
7.3
6
9.5
+
2.2
=
11.7
7
4.7
+
7.1
=
11.8
8
6.5
+
2.1
=
8.6
9
8.2
+
4.1
=
12.3
10
9.4
+
1.4
=
10.8
11
4.4
+
2.9
=
7.3
12
3.9
+
6.5
=
10.4
13
8.1
+
1.2
=
9.3
14
5.5
+
6.1
=
11.6
15
9.8
+
4.8
=
14.6