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소숫점: 1자리 덧셈28

1
2.8
+
6.4
=
9.2
2
8.4
+
2.1
=
10.5
3
5.3
+
9.5
=
14.8
4
9.4
+
2.6
=
12
5
4.1
+
5.9
=
10
6
1.6
+
7.6
=
9.2
7
1.7
+
4.2
=
5.9
8
6.3
+
1.4
=
7.7
9
3.5
+
2.3
=
5.8
10
6.3
+
3.3
=
9.6
11
6.3
+
7.2
=
13.5
12
3.3
+
2.5
=
5.8
13
5.4
+
7.5
=
12.9
14
8.4
+
2.9
=
11.3
15
2.9
+
6.3
=
9.2