소수점 1자리 덧셈
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소숫점: 1자리 덧셈15
1
1.5
+
2.3
=
3.8
2
1.2
+
7.3
=
8.5
3
6.6
+
3.4
=
10
4
6.4
+
7.8
=
14.2
5
6.3
+
6.2
=
12.5
6
3.5
+
5.8
=
9.3
7
5.5
+
5.6
=
11.1
8
1.3
+
7.2
=
8.5
9
5.5
+
4.5
=
10
10
2.2
+
2.8
=
5
11
6.2
+
6.2
=
12.4
12
8.1
+
8.7
=
16.8
13
4.1
+
8.6
=
12.7
14
5.3
+
4.2
=
9.5
15
7.1
+
5.1
=
12.2