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소숫점: 1자리 덧셈

1
2.7
+
1.2
=
3.9
2
2.1
+
7.1
=
9.2
3
8.1
+
3.9
=
12
4
1.7
+
1.1
=
2.8
5
1.2
+
1.7
=
2.9
6
7.1
+
9.5
=
16.6
7
4.8
+
3.4
=
8.2
8
9.3
+
6.2
=
15.5
9
3.2
+
6.5
=
9.7
10
2.2
+
8.5
=
10.7
11
1.6
+
9.4
=
11
12
2.5
+
4.5
=
7
13
4.9
+
1.6
=
6.5
14
7.5
+
2.7
=
10.2
15
1.5
+
1.5
=
3