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소숫점: 1자리 덧셈42

1
4.2
+
4.1
=
8.3
2
6.9
+
3.5
=
10.4
3
6.3
+
6.6
=
12.9
4
8.5
+
4.3
=
12.8
5
2.2
+
6.4
=
8.6
6
7.2
+
4.1
=
11.3
7
5.4
+
3.2
=
8.6
8
3.6
+
4.2
=
7.8
9
2.1
+
2.2
=
4.3
10
3.6
+
4.4
=
8
11
6.3
+
2.2
=
8.5
12
5.4
+
9.3
=
14.7
13
4.4
+
3.1
=
7.5
14
7.3
+
1.2
=
8.5
15
9.5
+
7.8
=
17.3