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소수점 1자리 덧셈

1
7.9
+
4.7
=
12.6
2
5.2
+
6.1
=
11.3
3
9.7
+
2.8
=
12.5
4
4.5
+
3.5
=
8
5
3.9
+
4.4
=
8.3
6
3.4
+
1.4
=
4.8
7
4.4
+
7.3
=
11.7
8
2.5
+
1.7
=
4.2
9
4.6
+
1.1
=
5.7
10
9.3
+
2.1
=
11.4
11
2.9
+
4.4
=
7.3
12
1.2
+
4.6
=
5.8
13
5.2
+
6.1
=
11.3
14
3.7
+
2.1
=
5.8
15
6.6
+
2.9
=
9.5