소수점 1자리 덧셈
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소숫점: 1자리 덧셈42
1
4.2
+
8.5
=
12.7
2
5.3
+
4.4
=
9.7
3
3.5
+
8.4
=
11.9
4
5.1
+
4.9
=
10
5
9.1
+
6.7
=
15.8
6
2.7
+
5.4
=
8.1
7
5.8
+
1.8
=
7.6
8
2.5
+
7.8
=
10.3
9
6.3
+
6.3
=
12.6
10
9.4
+
4.8
=
14.2
11
6.5
+
6.1
=
12.6
12
1.2
+
6.5
=
7.7
13
4.4
+
7.2
=
11.6
14
8.5
+
3.4
=
11.9
15
9.1
+
8.6
=
17.7