소수점 1자리 덧셈
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소숫점: 1자리 덧셈81
1
8.1
+
5.7
=
13.8
2
1.8
+
4.1
=
5.9
3
8.2
+
2.3
=
10.5
4
4.7
+
4.6
=
9.3
5
2.3
+
5.8
=
8.1
6
3.4
+
4.5
=
7.9
7
4.3
+
4.8
=
9.1
8
5.8
+
4.3
=
10.1
9
2.4
+
3.4
=
5.8
10
4.4
+
1.5
=
5.9
11
7.3
+
2.9
=
10.2
12
2.2
+
8.1
=
10.3
13
2.9
+
8.3
=
11.2
14
8.5
+
5.6
=
14.1
15
7.2
+
4.2
=
11.4