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소수점 1자리 덧셈

1
2.7
+
3.9
=
6.6
2
2.2
+
3.5
=
5.7
3
1.4
+
4.5
=
5.9
4
2.1
+
8.6
=
10.7
5
3.5
+
2.4
=
5.9
6
8.6
+
1.1
=
9.7
7
7.5
+
8.5
=
16
8
3.3
+
4.9
=
8.2
9
9.5
+
6.8
=
16.3
10
4.2
+
1.5
=
5.7
11
4.7
+
4.5
=
9.2
12
6.6
+
9.3
=
15.9
13
6.3
+
9.1
=
15.4
14
3.5
+
1.6
=
5.1
15
2.8
+
4.1
=
6.9