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소수점 1자리 덧셈

1
4.8
+
7.5
=
12.3
2
9.7
+
2.8
=
12.5
3
4.3
+
8.5
=
12.8
4
4.7
+
4.8
=
9.5
5
7.5
+
6.3
=
13.8
6
3.2
+
1.7
=
4.9
7
1.2
+
2.8
=
4
8
7.5
+
1.1
=
8.6
9
4.4
+
5.2
=
9.6
10
3.3
+
1.3
=
4.6
11
3.7
+
8.6
=
12.3
12
3.6
+
5.3
=
8.9
13
4.3
+
9.2
=
13.5
14
6.8
+
3.8
=
10.6
15
5.8
+
6.4
=
12.2