소수점 1자리 덧셈
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소숫점: 1자리 덧셈28
1
2.8
+
5.6
=
8.4
2
6.3
+
8.4
=
14.7
3
6.9
+
2.9
=
9.8
4
7.1
+
8.7
=
15.8
5
6.4
+
2.7
=
9.1
6
6.2
+
7.5
=
13.7
7
4.1
+
4.6
=
8.7
8
8.7
+
7.5
=
16.2
9
7.5
+
6.7
=
14.2
10
5.7
+
3.3
=
9
11
8.3
+
2.2
=
10.5
12
4.2
+
5.3
=
9.5
13
4.9
+
1.6
=
6.5
14
7.5
+
9.2
=
16.7
15
6.6
+
2.3
=
8.9