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소수점 1자리 덧셈

1
2.8
+
7.4
=
10.2
2
3.8
+
3.4
=
7.2
3
3.9
+
5.5
=
9.4
4
2.2
+
1.3
=
3.5
5
4.1
+
2.1
=
6.2
6
8.2
+
2.1
=
10.3
7
2.2
+
3.1
=
5.3
8
5.9
+
7.2
=
13.1
9
4.4
+
2.7
=
7.1
10
2.5
+
2.3
=
4.8
11
6.8
+
8.4
=
15.2
12
4.3
+
6.2
=
10.5
13
3.2
+
3.2
=
6.4
14
4.5
+
5.5
=
10
15
8.7
+
1.9
=
10.6