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소숫점: 1자리 덧셈80

1
8.4
+
4.1
=
12.5
2
3.2
+
7.3
=
10.5
3
1.7
+
6.3
=
8
4
7.9
+
7.1
=
15
5
1.8
+
2.7
=
4.5
6
8.3
+
6.4
=
14.7
7
4.1
+
1.2
=
5.3
8
4.1
+
7.9
=
12
9
6.1
+
5.6
=
11.7
10
4.6
+
6.6
=
11.2
11
1.5
+
6.7
=
8.2
12
8.6
+
2.4
=
11
13
6.5
+
6.4
=
12.9
14
1.1
+
7.4
=
8.5
15
3.4
+
4.7
=
8.1