소수점 1자리 덧셈
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소숫점: 1자리 덧셈39
1
3.9
+
2.4
=
6.3
2
4.4
+
3.9
=
8.3
3
3.6
+
2.7
=
6.3
4
5.5
+
9.5
=
15
5
8.7
+
4.2
=
12.9
6
5.6
+
3.8
=
9.4
7
5.1
+
6.2
=
11.3
8
3.5
+
5.2
=
8.7
9
7.2
+
3.7
=
10.9
10
4.2
+
7.7
=
11.9
11
5.4
+
7.5
=
12.9
12
7.1
+
3.4
=
10.5
13
3.1
+
7.3
=
10.4
14
7.4
+
5.5
=
12.9
15
3.5
+
7.3
=
10.8