소수점 1자리 덧셈
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소숫점: 1자리 덧셈42
1
4.2
+
8.1
=
12.3
2
2.4
+
3.9
=
6.3
3
3.5
+
9.3
=
12.8
4
3.5
+
7.5
=
11
5
8.6
+
2.5
=
11.1
6
4.8
+
5.2
=
10
7
6.3
+
6.2
=
12.5
8
8.5
+
7.1
=
15.6
9
2.9
+
7.5
=
10.4
10
4.4
+
7.5
=
11.9
11
9.4
+
3.5
=
12.9
12
3.2
+
4.2
=
7.4
13
5.3
+
8.3
=
13.6
14
5.9
+
4.2
=
10.1
15
8.6
+
2.2
=
10.8