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소수점 1자리 덧셈

1
1.9
+
3.5
=
5.4
2
5.5
+
7.1
=
12.6
3
4.2
+
7.5
=
11.7
4
5.4
+
5.8
=
11.2
5
6.2
+
6.2
=
12.4
6
3.7
+
3.4
=
7.1
7
2.1
+
6.3
=
8.4
8
1.8
+
1.9
=
3.7
9
7.4
+
3.5
=
10.9
10
6.3
+
1.3
=
7.6
11
4.6
+
3.5
=
8.1
12
4.6
+
8.2
=
12.8
13
2.8
+
7.5
=
10.3
14
5.8
+
9.3
=
15.1
15
2.1
+
5.8
=
7.9