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소수점 1자리 덧셈

1
1.5
+
5.4
=
6.9
2
2.3
+
3.5
=
5.8
3
7.4
+
3.7
=
11.1
4
4.8
+
2.4
=
7.2
5
8.6
+
2.2
=
10.8
6
1.3
+
2.8
=
4.1
7
4.5
+
2.2
=
6.7
8
5.7
+
3.1
=
8.8
9
4.3
+
2.7
=
7
10
7.4
+
5.4
=
12.8
11
9.2
+
6.1
=
15.3
12
3.6
+
3.2
=
6.8
13
3.4
+
7.5
=
10.9
14
8.8
+
2.2
=
11
15
1.2
+
7.8
=
9