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소수점 1자리 덧셈

1
4.7
+
2.6
=
7.3
2
8.1
+
3.1
=
11.2
3
1.3
+
8.4
=
9.7
4
3.2
+
3.5
=
6.7
5
5.5
+
5.3
=
10.8
6
4.7
+
3.1
=
7.8
7
1.8
+
5.2
=
7
8
2.9
+
5.2
=
8.1
9
9.4
+
3.7
=
13.1
10
6.2
+
9.1
=
15.3
11
8.3
+
2.7
=
11
12
2.1
+
4.6
=
6.7
13
5.5
+
2.3
=
7.8
14
6.1
+
2.1
=
8.2
15
2.5
+
9.2
=
11.7