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소숫점: 1자리 덧셈12

1
1.2
+
2.5
=
3.7
2
4.4
+
5.5
=
9.9
3
5.3
+
8.7
=
14
4
3.5
+
3.4
=
6.9
5
3.4
+
1.1
=
4.5
6
3.1
+
8.2
=
11.3
7
5.3
+
1.2
=
6.5
8
3.1
+
7.4
=
10.5
9
1.6
+
2.7
=
4.3
10
2.5
+
7.2
=
9.7
11
6.8
+
4.5
=
11.3
12
4.7
+
5.5
=
10.2
13
1.4
+
3.1
=
4.5
14
8.1
+
2.9
=
11
15
5.3
+
9.3
=
14.6