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소숫점: 1자리 덧셈57

1
5.7
+
2.5
=
8.2
2
3.2
+
2.3
=
5.5
3
3.9
+
9.1
=
13
4
8.5
+
1.1
=
9.6
5
5.4
+
9.1
=
14.5
6
4.2
+
7.3
=
11.5
7
4.9
+
7.6
=
12.5
8
4.5
+
6.9
=
11.4
9
4.1
+
2.4
=
6.5
10
8.4
+
5.8
=
14.2
11
9.7
+
2.5
=
12.2
12
2.2
+
1.5
=
3.7
13
4.8
+
1.2
=
6
14
4.5
+
5.1
=
9.6
15
3.3
+
4.2
=
7.5