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소수점 1자리 덧셈

1
3.6
+
3.9
=
7.5
2
1.1
+
6.2
=
7.3
3
3.7
+
1.6
=
5.3
4
3.3
+
8.2
=
11.5
5
1.8
+
4.7
=
6.5
6
4.2
+
1.2
=
5.4
7
2.1
+
4.8
=
6.9
8
7.1
+
1.7
=
8.8
9
3.9
+
3.2
=
7.1
10
1.1
+
5.1
=
6.2
11
8.4
+
4.6
=
13
12
6.1
+
2.2
=
8.3
13
2.6
+
6.3
=
8.9
14
3.7
+
6.2
=
9.9
15
4.4
+
3.5
=
7.9
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