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소숫점: 1자리 덧셈25

1
2.5
+
9.4
=
11.9
2
9.7
+
3.7
=
13.4
3
3.3
+
4.2
=
7.5
4
6.3
+
9.1
=
15.4
5
4.2
+
7.7
=
11.9
6
5.4
+
8.6
=
14
7
1.1
+
2.2
=
3.3
8
9.6
+
2.7
=
12.3
9
3.5
+
6.7
=
10.2
10
5.5
+
8.6
=
14.1
11
1.5
+
4.3
=
5.8
12
8.9
+
8.2
=
17.1
13
1.6
+
4.5
=
6.1
14
7.1
+
3.7
=
10.8
15
4.2
+
5.4
=
9.6