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소숫점: 1자리 덧셈81

1
8.1
+
5.7
=
13.8
2
9.3
+
7.6
=
16.9
3
3.7
+
2.3
=
6
4
1.3
+
3.1
=
4.4
5
4.4
+
6.1
=
10.5
6
5.5
+
4.1
=
9.6
7
4.7
+
6.2
=
10.9
8
6.5
+
5.9
=
12.4
9
1.9
+
9.4
=
11.3
10
9.3
+
5.6
=
14.9
11
2.6
+
6.1
=
8.7
12
8.9
+
2.8
=
11.7
13
5.2
+
6.2
=
11.4
14
9.1
+
2.6
=
11.7
15
1.2
+
3.4
=
4.6