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소숫점: 1자리 덧셈68

1
6.8
+
2.3
=
9.1
2
8.3
+
6.4
=
14.7
3
3.6
+
9.4
=
13
4
9.5
+
9.4
=
18.9
5
8.4
+
3.8
=
12.2
6
3.2
+
6.1
=
9.3
7
3.6
+
2.4
=
6
8
3.9
+
2.6
=
6.5
9
1.1
+
6.8
=
7.9
10
1.5
+
9.3
=
10.8
11
1.4
+
8.5
=
9.9
12
3.1
+
5.8
=
8.9
13
5.2
+
5.9
=
11.1
14
9.5
+
4.9
=
14.4
15
4.4
+
5.4
=
9.8