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소수점 1자리 덧셈

1
4.7
+
3.4
=
8.1
2
4.8
+
5.8
=
10.6
3
8.7
+
7.1
=
15.8
4
2.5
+
6.8
=
9.3
5
2.9
+
5.2
=
8.1
6
7.3
+
6.4
=
13.7
7
6.3
+
6.5
=
12.8
8
3.3
+
9.6
=
12.9
9
2.4
+
5.9
=
8.3
10
9.3
+
3.1
=
12.4
11
6.4
+
7.6
=
14
12
9.3
+
1.7
=
11
13
2.5
+
1.1
=
3.6
14
3.7
+
5.4
=
9.1
15
3.8
+
4.3
=
8.1