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소수점 1자리 덧셈

1
2.3
+
1.1
=
3.4
2
4.2
+
1.2
=
5.4
3
5.5
+
7.1
=
12.6
4
6.4
+
4.3
=
10.7
5
1.6
+
2.1
=
3.7
6
5.3
+
2.2
=
7.5
7
1.8
+
4.2
=
6
8
4.5
+
9.5
=
14
9
2.6
+
5.3
=
7.9
10
9.4
+
2.8
=
12.2
11
5.5
+
3.5
=
9
12
2.9
+
1.7
=
4.6
13
6.5
+
2.3
=
8.8
14
5.9
+
3.4
=
9.3
15
8.1
+
6.9
=
15