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소숫점: 1자리 덧셈31

1
3.1
+
3.4
=
6.5
2
5.1
+
2.4
=
7.5
3
7.5
+
1.2
=
8.7
4
5.2
+
6.5
=
11.7
5
2.2
+
6.7
=
8.9
6
5.8
+
2.3
=
8.1
7
1.8
+
5.3
=
7.1
8
3.9
+
1.1
=
5
9
4.2
+
8.9
=
13.1
10
4.7
+
4.4
=
9.1
11
1.8
+
1.8
=
3.6
12
5.4
+
6.8
=
12.2
13
6.6
+
1.2
=
7.8
14
2.1
+
9.2
=
11.3
15
6.9
+
2.4
=
9.3