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소숫점: 1자리 덧셈21

1
2.1
+
4.3
=
6.4
2
8.5
+
2.6
=
11.1
3
6.2
+
5.4
=
11.6
4
5.3
+
8.1
=
13.4
5
1.5
+
5.5
=
7
6
6.2
+
4.3
=
10.5
7
5.9
+
3.4
=
9.3
8
1.8
+
3.2
=
5
9
3.7
+
1.8
=
5.5
10
8.4
+
1.2
=
9.6
11
8.8
+
1.3
=
10.1
12
2.7
+
6.9
=
9.6
13
6.1
+
5.3
=
11.4
14
2.6
+
8.4
=
11
15
3.5
+
1.6
=
5.1