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소숫점: 1자리 덧셈15

1
1.5
+
8.5
=
10
2
5.9
+
1.9
=
7.8
3
2.5
+
4.9
=
7.4
4
2.2
+
3.4
=
5.6
5
8.8
+
2.7
=
11.5
6
4.2
+
7.2
=
11.4
7
1.5
+
6.4
=
7.9
8
1.9
+
5.1
=
7
9
4.1
+
4.8
=
8.9
10
7.2
+
8.4
=
15.6
11
4.2
+
5.1
=
9.3
12
7.1
+
6.1
=
13.2
13
5.2
+
2.7
=
7.9
14
4.3
+
4.7
=
9
15
3.6
+
1.7
=
5.3