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소수점 1자리 덧셈

1
1.7
+
1.7
=
3.4
2
6.3
+
8.4
=
14.7
3
3.2
+
2.7
=
5.9
4
5.2
+
4.5
=
9.7
5
2.8
+
5.6
=
8.4
6
4.2
+
6.6
=
10.8
7
3.9
+
9.5
=
13.4
8
7.1
+
3.7
=
10.8
9
1.4
+
4.3
=
5.7
10
6.3
+
1.5
=
7.8
11
2.6
+
2.1
=
4.7
12
8.1
+
6.7
=
14.8
13
6.2
+
9.2
=
15.4
14
7.5
+
1.8
=
9.3
15
3.3
+
9.3
=
12.6