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소수점 1자리 덧셈

1
5.3
+
5.8
=
11.1
2
5.6
+
1.3
=
6.9
3
8.9
+
1.7
=
10.6
4
7.4
+
2.3
=
9.7
5
3.4
+
4.5
=
7.9
6
4.2
+
5.4
=
9.6
7
6.2
+
9.6
=
15.8
8
7.2
+
5.4
=
12.6
9
5.1
+
7.4
=
12.5
10
7.2
+
5.3
=
12.5
11
7.2
+
2.4
=
9.6
12
3.5
+
7.3
=
10.8
13
2.8
+
3.1
=
5.9
14
2.7
+
1.8
=
4.5
15
8.4
+
9.9
=
18.3
▲