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소숫점: 1자리 덧셈25

1
2.5
+
6.4
=
8.9
2
7.1
+
5.2
=
12.3
3
2.3
+
7.4
=
9.7
4
1.6
+
5.2
=
6.8
5
5.4
+
4.3
=
9.7
6
1.5
+
7.5
=
9
7
3.9
+
7.1
=
11
8
7.6
+
4.8
=
12.4
9
7.3
+
9.9
=
17.2
10
1.8
+
3.9
=
5.7
11
3.4
+
1.9
=
5.3
12
1.9
+
8.4
=
10.3
13
6.3
+
9.6
=
15.9
14
2.3
+
3.4
=
5.7
15
5.5
+
4.6
=
10.1