소수점 1자리 덧셈
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소숫점: 1자리 덧셈25
1
2.5
+
6.2
=
8.7
2
8.7
+
8.1
=
16.8
3
2.1
+
4.2
=
6.3
4
4.4
+
6.3
=
10.7
5
1.9
+
1.1
=
3
6
8.3
+
8.8
=
17.1
7
4.4
+
7.9
=
12.3
8
1.4
+
7.5
=
8.9
9
2.5
+
8.4
=
10.9
10
2.7
+
5.3
=
8
11
6.3
+
6.2
=
12.5
12
5.5
+
2.2
=
7.7
13
2.2
+
7.4
=
9.6
14
8.6
+
5.6
=
14.2
15
7.4
+
5.1
=
12.5