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소숫점: 1자리 덧셈21

1
2.1
+
3.1
=
5.2
2
9.7
+
3.8
=
13.5
3
3.4
+
7.3
=
10.7
4
5.3
+
1.9
=
7.2
5
4.5
+
4.1
=
8.6
6
3.6
+
2.4
=
6
7
2.6
+
3.8
=
6.4
8
1.8
+
7.4
=
9.2
9
4.2
+
5.3
=
9.5
10
3.1
+
5.2
=
8.3
11
3.1
+
1.7
=
4.8
12
7.2
+
6.6
=
13.8
13
1.1
+
2.3
=
3.4
14
7.1
+
4.6
=
11.7
15
1.3
+
6.5
=
7.8