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소수점 1자리 덧셈

1
4.2
+
2.4
=
6.6
2
7.6
+
6.1
=
13.7
3
7.5
+
2.4
=
9.9
4
7.4
+
2.4
=
9.8
5
9.1
+
1.8
=
10.9
6
4.5
+
6.5
=
11
7
4.4
+
2.3
=
6.7
8
5.5
+
7.5
=
13
9
5.1
+
3.4
=
8.5
10
7.5
+
7.6
=
15.1
11
2.5
+
5.1
=
7.6
12
3.3
+
3.1
=
6.4
13
3.8
+
4.7
=
8.5
14
5.5
+
1.2
=
6.7
15
4.6
+
2.3
=
6.9