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소수점 1자리 덧셈

1
2.9
+
5.7
=
8.6
2
5.5
+
3.2
=
8.7
3
8.9
+
2.3
=
11.2
4
5.3
+
5.6
=
10.9
5
7.3
+
7.9
=
15.2
6
4.6
+
5.9
=
10.5
7
3.1
+
2.8
=
5.9
8
1.8
+
6.5
=
8.3
9
8.9
+
3.2
=
12.1
10
4.6
+
3.1
=
7.7
11
5.3
+
7.2
=
12.5
12
8.6
+
4.3
=
12.9
13
5.5
+
8.1
=
13.6
14
1.6
+
5.2
=
6.8
15
2.2
+
4.4
=
6.6