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소숫점: 1자리 덧셈54

1
5.4
+
3.1
=
8.5
2
4.5
+
6.1
=
10.6
3
3.4
+
6.8
=
10.2
4
7.1
+
4.1
=
11.2
5
2.2
+
3.7
=
5.9
6
4.9
+
9.5
=
14.4
7
6.5
+
4.1
=
10.6
8
6.7
+
6.7
=
13.4
9
1.8
+
1.9
=
3.7
10
4.4
+
2.5
=
6.9
11
2.7
+
6.3
=
9
12
5.2
+
6.7
=
11.9
13
2.4
+
7.6
=
10
14
3.2
+
3.5
=
6.7
15
5.1
+
4.6
=
9.7