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소수점 1자리 덧셈

1
2.1
+
5.7
=
7.8
2
2.1
+
2.8
=
4.9
3
1.1
+
2.1
=
3.2
4
2.1
+
3.4
=
5.5
5
6.2
+
2.1
=
8.3
6
9.2
+
2.4
=
11.6
7
1.7
+
1.9
=
3.6
8
9.9
+
3.5
=
13.4
9
6.3
+
6.2
=
12.5
10
5.8
+
3.2
=
9
11
8.7
+
2.6
=
11.3
12
9.6
+
1.7
=
11.3
13
1.1
+
4.1
=
5.2
14
4.3
+
3.5
=
7.8
15
8.5
+
2.2
=
10.7