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소수점 1자리 덧셈

1
6.4
+
1.1
=
7.5
2
2.8
+
4.6
=
7.4
3
2.6
+
1.5
=
4.1
4
6.3
+
5.8
=
12.1
5
6.2
+
1.9
=
8.1
6
4.6
+
1.2
=
5.8
7
6.6
+
4.3
=
10.9
8
5.3
+
6.8
=
12.1
9
4.3
+
3.6
=
7.9
10
2.5
+
7.7
=
10.2
11
5.7
+
1.5
=
7.2
12
2.4
+
3.5
=
5.9
13
1.2
+
4.9
=
6.1
14
2.1
+
2.4
=
4.5
15
8.7
+
4.8
=
13.5