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소수점 1자리 덧셈

1
1.8
+
1.3
=
3.1
2
3.3
+
4.9
=
8.2
3
3.7
+
7.2
=
10.9
4
8.9
+
7.7
=
16.6
5
2.5
+
8.4
=
10.9
6
5.9
+
1.9
=
7.8
7
1.4
+
6.9
=
8.3
8
1.4
+
8.3
=
9.7
9
4.8
+
2.3
=
7.1
10
1.9
+
6.3
=
8.2
11
7.3
+
8.1
=
15.4
12
3.1
+
6.3
=
9.4
13
2.7
+
4.6
=
7.3
14
7.2
+
3.4
=
10.6
15
3.7
+
8.4
=
12.1