소수점 1자리 덧셈
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소숫점: 1자리 덧셈39
1
3.9
+
9.4
=
13.3
2
6.1
+
2.4
=
8.5
3
3.6
+
8.3
=
11.9
4
7.1
+
8.7
=
15.8
5
4.2
+
7.2
=
11.4
6
5.8
+
2.1
=
7.9
7
1.2
+
3.3
=
4.5
8
6.2
+
1.3
=
7.5
9
1.3
+
9.2
=
10.5
10
4.2
+
2.6
=
6.8
11
5.5
+
3.2
=
8.7
12
5.1
+
2.8
=
7.9
13
6.7
+
7.4
=
14.1
14
8.3
+
4.6
=
12.9
15
2.5
+
1.3
=
3.8