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소숫점: 1자리 덧셈40

1
4.4
+
6.7
=
11.1
2
2.4
+
3.2
=
5.6
3
2.1
+
7.8
=
9.9
4
1.1
+
3.1
=
4.2
5
3.9
+
3.2
=
7.1
6
5.1
+
6.6
=
11.7
7
4.6
+
2.9
=
7.5
8
6.2
+
7.3
=
13.5
9
5.1
+
4.5
=
9.6
10
9.1
+
5.3
=
14.4
11
5.5
+
9.9
=
15.4
12
1.1
+
2.4
=
3.5
13
3.5
+
1.5
=
5
14
1.9
+
4.2
=
6.1
15
1.2
+
3.6
=
4.8