소수점 1자리 덧셈
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소숫점: 1자리 덧셈38
1
3.8
+
3.9
=
7.7
2
5.1
+
9.4
=
14.5
3
6.7
+
1.7
=
8.4
4
1.5
+
2.5
=
4
5
5.1
+
3.1
=
8.2
6
5.4
+
4.5
=
9.9
7
8.1
+
2.1
=
10.2
8
1.8
+
4.5
=
6.3
9
4.4
+
9.6
=
14
10
3.6
+
5.1
=
8.7
11
2.9
+
4.1
=
7
12
7.2
+
8.4
=
15.6
13
6.3
+
6.5
=
12.8
14
4.2
+
4.5
=
8.7
15
9.9
+
1.8
=
11.7