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소수점 1자리 덧셈

1
2.9
+
7.4
=
10.3
2
4.1
+
4.1
=
8.2
3
6.3
+
3.5
=
9.8
4
1.2
+
1.3
=
2.5
5
7.7
+
7.6
=
15.3
6
5.3
+
4.5
=
9.8
7
7.8
+
9.3
=
17.1
8
8.3
+
2.6
=
10.9
9
2.5
+
1.1
=
3.6
10
3.1
+
7.3
=
10.4
11
8.3
+
5.3
=
13.6
12
5.2
+
1.1
=
6.3
13
4.8
+
1.2
=
6
14
3.1
+
8.4
=
11.5
15
2.2
+
9.6
=
11.8