소수점 1자리 덧셈
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소숫점: 1자리 덧셈45
1
4.5
+
1.2
=
5.7
2
6.3
+
5.8
=
12.1
3
2.3
+
2.3
=
4.6
4
2.1
+
6.3
=
8.4
5
4.1
+
1.1
=
5.2
6
1.2
+
8.7
=
9.9
7
5.6
+
3.1
=
8.7
8
3.6
+
2.9
=
6.5
9
5.5
+
1.1
=
6.6
10
2.1
+
2.5
=
4.6
11
7.3
+
3.7
=
11
12
6.3
+
2.7
=
9
13
3.8
+
9.2
=
13
14
3.3
+
3.9
=
7.2
15
4.6
+
2.5
=
7.1