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소수점 1자리 덧셈

1
5.1
+
3.2
=
8.3
2
8.1
+
1.8
=
9.9
3
7.5
+
1.2
=
8.7
4
4.3
+
2.1
=
6.4
5
3.8
+
2.4
=
6.2
6
8.5
+
4.1
=
12.6
7
9.4
+
8.6
=
18
8
1.7
+
3.3
=
5
9
5.5
+
1.6
=
7.1
10
9.4
+
1.5
=
10.9
11
3.1
+
6.3
=
9.4
12
8.4
+
5.5
=
13.9
13
3.7
+
5.7
=
9.4
14
4.5
+
6.1
=
10.6
15
7.2
+
1.4
=
8.6