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소숫점: 1자리 덧셈

1
5.4
+
5.3
=
10.7
2
7.5
+
5.4
=
12.9
3
1.8
+
2.8
=
4.6
4
3.3
+
4.3
=
7.6
5
8.4
+
5.2
=
13.6
6
3.3
+
9.1
=
12.4
7
7.3
+
4.3
=
11.6
8
8.2
+
3.6
=
11.8
9
7.7
+
2.4
=
10.1
10
9.8
+
8.4
=
18.2
11
6.6
+
2.4
=
9
12
1.6
+
4.5
=
6.1
13
1.2
+
5.7
=
6.9
14
1.2
+
8.8
=
10
15
5.8
+
4.3
=
10.1