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소수점 1자리 덧셈

1
4.7
+
5.2
=
9.9
2
4.2
+
5.5
=
9.7
3
6.3
+
1.5
=
7.8
4
6.2
+
5.5
=
11.7
5
5.4
+
4.3
=
9.7
6
3.1
+
3.7
=
6.8
7
4.5
+
8.1
=
12.6
8
5.5
+
6.6
=
12.1
9
5.1
+
2.4
=
7.5
10
4.4
+
9.7
=
14.1
11
4.4
+
6.2
=
10.6
12
1.6
+
2.8
=
4.4
13
3.4
+
3.3
=
6.7
14
2.8
+
4.4
=
7.2
15
3.9
+
1.5
=
5.4