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소수점 1자리 덧셈

1
3.4
+
3.4
=
6.8
2
5.9
+
7.4
=
13.3
3
1.7
+
6.3
=
8
4
7.8
+
5.7
=
13.5
5
3.2
+
4.3
=
7.5
6
9.1
+
4.7
=
13.8
7
6.3
+
4.3
=
10.6
8
8.6
+
4.8
=
13.4
9
9.2
+
5.4
=
14.6
10
6.6
+
5.6
=
12.2
11
6.3
+
2.5
=
8.8
12
4.6
+
5.5
=
10.1
13
3.9
+
6.5
=
10.4
14
2.3
+
7.2
=
9.5
15
2.6
+
1.2
=
3.8