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소숫점: 1자리 덧셈38

1
3.8
+
5.1
=
8.9
2
7.4
+
4.4
=
11.8
3
1.7
+
6.3
=
8
4
2.8
+
3.4
=
6.2
5
2.9
+
7.4
=
10.3
6
3.8
+
2.9
=
6.7
7
2.1
+
1.5
=
3.6
8
6.6
+
4.8
=
11.4
9
4.1
+
9.5
=
13.6
10
9.7
+
8.5
=
18.2
11
2.6
+
5.4
=
8
12
6.6
+
3.4
=
10
13
6.3
+
1.2
=
7.5
14
5.3
+
2.3
=
7.6
15
3.2
+
2.5
=
5.7