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소수점 1자리 덧셈

1
5.4
+
1.5
=
6.9
2
8.4
+
3.6
=
12
3
8.2
+
7.7
=
15.9
4
1.7
+
4.2
=
5.9
5
7.5
+
1.2
=
8.7
6
5.9
+
2.8
=
8.7
7
3.5
+
9.7
=
13.2
8
4.4
+
3.4
=
7.8
9
7.2
+
3.1
=
10.3
10
3.4
+
1.8
=
5.2
11
3.3
+
4.2
=
7.5
12
6.3
+
5.9
=
12.2
13
7.2
+
8.6
=
15.8
14
2.3
+
6.3
=
8.6
15
4.2
+
1.8
=
6