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소숫점: 1자리 덧셈39

1
3.9
+
1.6
=
5.5
2
4.2
+
4.9
=
9.1
3
1.3
+
3.4
=
4.7
4
1.5
+
4.5
=
6
5
6.1
+
8.9
=
15
6
4.3
+
9.8
=
14.1
7
5.5
+
9.6
=
15.1
8
1.8
+
3.3
=
5.1
9
7.1
+
1.5
=
8.6
10
3.2
+
4.5
=
7.7
11
4.9
+
6.3
=
11.2
12
4.7
+
2.8
=
7.5
13
9.6
+
3.8
=
13.4
14
2.1
+
7.4
=
9.5
15
7.7
+
3.4
=
11.1