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소수점 1자리 덧셈

1
5.5
+
2.5
=
8
2
2.8
+
1.6
=
4.4
3
1.5
+
3.3
=
4.8
4
4.1
+
6.4
=
10.5
5
3.4
+
4.3
=
7.7
6
7.7
+
2.3
=
10
7
1.7
+
1.1
=
2.8
8
6.1
+
3.6
=
9.7
9
1.9
+
2.3
=
4.2
10
1.2
+
1.2
=
2.4
11
7.5
+
5.2
=
12.7
12
5.3
+
8.9
=
14.2
13
2.4
+
6.2
=
8.6
14
2.2
+
1.8
=
4
15
7.6
+
5.9
=
13.5