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소숫점: 1자리 덧셈20

1
2.6
+
3.6
=
6.2
2
7.6
+
1.8
=
9.4
3
6.8
+
3.8
=
10.6
4
6.1
+
4.2
=
10.3
5
5.9
+
4.4
=
10.3
6
3.9
+
4.6
=
8.5
7
3.9
+
3.2
=
7.1
8
3.8
+
1.2
=
5
9
6.1
+
5.2
=
11.3
10
2.9
+
2.9
=
5.8
11
5.6
+
8.5
=
14.1
12
4.2
+
7.4
=
11.6
13
6.3
+
2.2
=
8.5
14
2.2
+
1.5
=
3.7
15
9.5
+
4.5
=
14