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소수점 1자리 덧셈

1
5.4
+
7.2
=
12.6
2
1.3
+
3.4
=
4.7
3
5.4
+
4.4
=
9.8
4
6.3
+
8.7
=
15
5
5.4
+
7.1
=
12.5
6
5.3
+
5.1
=
10.4
7
4.4
+
9.1
=
13.5
8
3.3
+
2.2
=
5.5
9
9.4
+
4.5
=
13.9
10
3.4
+
3.3
=
6.7
11
1.2
+
7.2
=
8.4
12
5.7
+
3.5
=
9.2
13
4.5
+
3.1
=
7.6
14
3.9
+
1.8
=
5.7
15
1.2
+
3.3
=
4.5