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소수점 1자리 덧셈

1
4.9
+
2.9
=
7.8
2
1.3
+
9.4
=
10.7
3
3.4
+
8.9
=
12.3
4
3.5
+
5.8
=
9.3
5
4.4
+
3.3
=
7.7
6
9.3
+
5.2
=
14.5
7
4.5
+
6.4
=
10.9
8
5.4
+
3.3
=
8.7
9
4.9
+
2.3
=
7.2
10
6.6
+
3.7
=
10.3
11
8.3
+
6.5
=
14.8
12
4.5
+
4.3
=
8.8
13
8.2
+
7.7
=
15.9
14
3.1
+
2.5
=
5.6
15
5.9
+
3.2
=
9.1