소수점 1자리 덧셈
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소숫점: 1자리 덧셈23
1
2.3
+
4.6
=
6.9
2
2.1
+
7.5
=
9.6
3
5.2
+
1.3
=
6.5
4
3.7
+
4.4
=
8.1
5
4.5
+
6.5
=
11
6
2.3
+
3.6
=
5.9
7
7.1
+
1.3
=
8.4
8
4.4
+
2.2
=
6.6
9
4.6
+
4.1
=
8.7
10
6.5
+
5.3
=
11.8
11
3.5
+
9.8
=
13.3
12
9.3
+
2.8
=
12.1
13
1.2
+
6.1
=
7.3
14
2.6
+
9.5
=
12.1
15
5.2
+
2.7
=
7.9