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소수점 1자리 덧셈

1
4.5
+
4.2
=
8.7
2
3.2
+
2.9
=
6.1
3
6.5
+
9.6
=
16.1
4
6.2
+
9.2
=
15.4
5
1.9
+
4.3
=
6.2
6
3.2
+
1.4
=
4.6
7
3.4
+
4.3
=
7.7
8
5.1
+
9.5
=
14.6
9
5.1
+
1.5
=
6.6
10
5.2
+
8.4
=
13.6
11
5.6
+
1.2
=
6.8
12
5.7
+
6.1
=
11.8
13
6.4
+
9.1
=
15.5
14
4.5
+
9.3
=
13.8
15
1.2
+
1.1
=
2.3