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소수점 1자리 덧셈

1
5.8
+
4.2
=
10
2
2.5
+
1.6
=
4.1
3
5.9
+
1.2
=
7.1
4
4.7
+
5.6
=
10.3
5
4.2
+
2.2
=
6.4
6
1.6
+
3.6
=
5.2
7
3.9
+
6.3
=
10.2
8
8.2
+
5.1
=
13.3
9
3.9
+
2.4
=
6.3
10
3.1
+
6.8
=
9.9
11
6.2
+
5.3
=
11.5
12
5.7
+
1.5
=
7.2
13
8.8
+
3.6
=
12.4
14
2.4
+
6.4
=
8.8
15
2.6
+
5.1
=
7.7