소수점 1자리 덧셈
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소숫점: 1자리 덧셈48
1
4.8
+
7.4
=
12.2
2
5.6
+
1.8
=
7.4
3
8.1
+
9.8
=
17.9
4
3.9
+
1.7
=
5.6
5
5.5
+
2.3
=
7.8
6
6.5
+
2.5
=
9
7
1.4
+
5.7
=
7.1
8
2.2
+
4.6
=
6.8
9
2.1
+
3.8
=
5.9
10
4.1
+
8.4
=
12.5
11
7.5
+
1.9
=
9.4
12
1.8
+
5.7
=
7.5
13
6.3
+
9.2
=
15.5
14
6.3
+
2.6
=
8.9
15
2.4
+
1.5
=
3.9