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소숫점: 1자리 덧셈25

1
2.5
+
1.4
=
3.9
2
3.5
+
8.6
=
12.1
3
2.3
+
5.2
=
7.5
4
6.1
+
2.9
=
9
5
4.4
+
3.2
=
7.6
6
2.3
+
5.4
=
7.7
7
4.1
+
9.1
=
13.2
8
5.9
+
8.6
=
14.5
9
1.6
+
2.8
=
4.4
10
3.5
+
5.1
=
8.6
11
9.5
+
1.8
=
11.3
12
6.3
+
5.2
=
11.5
13
3.2
+
3.7
=
6.9
14
4.5
+
2.8
=
7.3
15
3.2
+
1.6
=
4.8