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소수점 1자리 덧셈

1
1.7
+
2.3
=
4
2
4.2
+
6.3
=
10.5
3
1.6
+
3.6
=
5.2
4
8.5
+
1.4
=
9.9
5
2.1
+
9.4
=
11.5
6
7.2
+
2.1
=
9.3
7
8.4
+
9.3
=
17.7
8
5.2
+
4.5
=
9.7
9
3.3
+
5.6
=
8.9
10
5.2
+
3.4
=
8.6
11
1.4
+
7.1
=
8.5
12
6.3
+
3.7
=
10
13
9.2
+
4.4
=
13.6
14
1.3
+
1.5
=
2.8
15
1.1
+
5.3
=
6.4