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소숫점: 1자리 덧셈10

1
1.4
+
8.5
=
9.9
2
5.4
+
5.5
=
10.9
3
9.4
+
2.4
=
11.8
4
2.1
+
2.3
=
4.4
5
3.9
+
4.6
=
8.5
6
5.6
+
1.1
=
6.7
7
2.7
+
8.9
=
11.6
8
5.4
+
9.8
=
15.2
9
1.1
+
5.2
=
6.3
10
7.1
+
1.2
=
8.3
11
4.3
+
1.5
=
5.8
12
4.9
+
3.3
=
8.2
13
4.1
+
1.6
=
5.7
14
3.3
+
3.1
=
6.4
15
7.7
+
1.9
=
9.6