소수점 1자리 덧셈
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소숫점: 1자리 덧셈25
1
2.5
+
2.5
=
5
2
7.4
+
1.6
=
9
3
5.6
+
3.8
=
9.4
4
1.5
+
4.4
=
5.9
5
8.6
+
3.9
=
12.5
6
3.5
+
5.5
=
9
7
4.1
+
9.1
=
13.2
8
7.5
+
4.5
=
12
9
4.1
+
4.1
=
8.2
10
3.9
+
1.2
=
5.1
11
3.5
+
2.3
=
5.8
12
1.3
+
7.4
=
8.7
13
2.7
+
1.7
=
4.4
14
2.3
+
1.2
=
3.5
15
3.9
+
3.5
=
7.4