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소수점 1자리 덧셈

1
5.4
+
4.7
=
10.1
2
2.5
+
3.9
=
6.4
3
1.4
+
6.5
=
7.9
4
7.4
+
6.3
=
13.7
5
3.3
+
1.7
=
5
6
8.4
+
1.1
=
9.5
7
4.2
+
6.3
=
10.5
8
3.1
+
6.1
=
9.2
9
1.4
+
1.7
=
3.1
10
3.5
+
5.3
=
8.8
11
7.8
+
3.5
=
11.3
12
1.5
+
3.3
=
4.8
13
6.2
+
6.4
=
12.6
14
5.4
+
4.8
=
10.2
15
3.3
+
4.2
=
7.5