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소숫점: 1자리 덧셈31

1
3.1
+
6.1
=
9.2
2
3.7
+
1.3
=
5
3
4.2
+
1.2
=
5.4
4
2.6
+
2.6
=
5.2
5
3.4
+
7.1
=
10.5
6
2.5
+
2.2
=
4.7
7
2.2
+
6.5
=
8.7
8
2.7
+
6.5
=
9.2
9
7.9
+
5.2
=
13.1
10
8.6
+
2.3
=
10.9
11
2.3
+
5.3
=
7.6
12
4.6
+
7.4
=
12
13
6.4
+
3.4
=
9.8
14
1.2
+
2.2
=
3.4
15
1.5
+
4.9
=
6.4