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소숫점: 1자리 덧셈18

1
1.8
+
5.1
=
6.9
2
5.8
+
1.7
=
7.5
3
5.2
+
6.7
=
11.9
4
5.7
+
8.4
=
14.1
5
8.2
+
6.2
=
14.4
6
3.7
+
5.4
=
9.1
7
3.6
+
2.2
=
5.8
8
2.8
+
4.1
=
6.9
9
4.5
+
1.1
=
5.6
10
8.4
+
3.1
=
11.5
11
5.4
+
9.5
=
14.9
12
7.6
+
1.7
=
9.3
13
6.3
+
3.4
=
9.7
14
3.4
+
3.4
=
6.8
15
1.2
+
4.5
=
5.7