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소숫점: 1자리 덧셈84

1
8.4
+
6.9
=
15.3
2
5.6
+
9.1
=
14.7
3
8.9
+
3.8
=
12.7
4
3.2
+
5.5
=
8.7
5
3.2
+
1.9
=
5.1
6
6.6
+
4.5
=
11.1
7
8.7
+
4.4
=
13.1
8
8.8
+
4.1
=
12.9
9
1.7
+
8.1
=
9.8
10
9.1
+
1.9
=
11
11
1.1
+
5.3
=
6.4
12
3.9
+
4.5
=
8.4
13
1.6
+
7.3
=
8.9
14
1.4
+
4.7
=
6.1
15
4.3
+
8.2
=
12.5