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소수점 1자리 덧셈

1
4.7
+
7.5
=
12.2
2
4.6
+
2.7
=
7.3
3
4.9
+
8.6
=
13.5
4
1.2
+
3.6
=
4.8
5
3.2
+
7.2
=
10.4
6
1.3
+
7.6
=
8.9
7
9.4
+
3.7
=
13.1
8
5.5
+
5.4
=
10.9
9
2.6
+
3.6
=
6.2
10
5.3
+
8.5
=
13.8
11
5.3
+
3.9
=
9.2
12
4.6
+
1.7
=
6.3
13
4.3
+
3.9
=
8.2
14
7.3
+
5.3
=
12.6
15
1.5
+
4.5
=
6