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소수점 1자리 덧셈

1
2.8
+
4.3
=
7.1
2
2.5
+
3.1
=
5.6
3
1.9
+
2.1
=
4
4
8.5
+
8.6
=
17.1
5
3.5
+
4.1
=
7.6
6
9.3
+
1.4
=
10.7
7
4.3
+
5.7
=
10
8
3.1
+
4.3
=
7.4
9
6.9
+
6.2
=
13.1
10
8.1
+
9.9
=
18
11
3.7
+
1.5
=
5.2
12
9.3
+
5.2
=
14.5
13
6.2
+
7.5
=
13.7
14
4.7
+
8.3
=
13
15
3.5
+
6.3
=
9.8