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소숫점: 1자리 덧셈21

1
2.1
+
7.5
=
9.6
2
4.1
+
2.5
=
6.6
3
5.3
+
4.2
=
9.5
4
8.3
+
9.6
=
17.9
5
1.9
+
1.6
=
3.5
6
6.3
+
9.7
=
16
7
4.2
+
1.8
=
6
8
2.1
+
6.5
=
8.6
9
5.9
+
7.5
=
13.4
10
2.9
+
1.8
=
4.7
11
2.1
+
9.4
=
11.5
12
6.5
+
9.4
=
15.9
13
2.4
+
6.9
=
9.3
14
2.7
+
7.5
=
10.2
15
2.5
+
2.7
=
5.2