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소수점 1자리 덧셈

1
5.4
+
2.7
=
8.1
2
5.1
+
9.2
=
14.3
3
4.1
+
2.7
=
6.8
4
2.5
+
2.7
=
5.2
5
5.1
+
6.2
=
11.3
6
6.2
+
2.8
=
9
7
4.5
+
3.1
=
7.6
8
9.3
+
6.2
=
15.5
9
3.1
+
9.7
=
12.8
10
3.4
+
8.5
=
11.9
11
8.2
+
5.1
=
13.3
12
1.6
+
3.7
=
5.3
13
5.2
+
2.5
=
7.7
14
3.6
+
2.7
=
6.3
15
2.2
+
8.3
=
10.5