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소수점 1자리 덧셈

1
3.1
+
5.3
=
8.4
2
8.3
+
1.5
=
9.8
3
9.5
+
3.5
=
13
4
6.1
+
6.2
=
12.3
5
3.5
+
7.3
=
10.8
6
1.5
+
3.7
=
5.2
7
4.1
+
3.4
=
7.5
8
1.3
+
1.5
=
2.8
9
9.1
+
6.6
=
15.7
10
4.6
+
4.4
=
9
11
5.1
+
1.7
=
6.8
12
3.2
+
8.4
=
11.6
13
1.2
+
9.5
=
10.7
14
5.5
+
4.3
=
9.8
15
2.1
+
2.6
=
4.7