소수점 1자리 덧셈
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소숫점: 1자리 덧셈15
1
1.5
+
8.6
=
10.1
2
1.2
+
4.3
=
5.5
3
4.6
+
5.3
=
9.9
4
9.5
+
8.9
=
18.4
5
6.1
+
8.5
=
14.6
6
2.5
+
3.6
=
6.1
7
3.1
+
1.3
=
4.4
8
5.6
+
6.1
=
11.7
9
1.1
+
1.6
=
2.7
10
1.3
+
5.5
=
6.8
11
8.9
+
1.9
=
10.8
12
5.3
+
5.5
=
10.8
13
5.5
+
1.9
=
7.4
14
4.1
+
3.5
=
7.6
15
3.9
+
8.5
=
12.4