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소숫점: 1자리 덧셈15

1
1.5
+
7.3
=
8.8
2
5.5
+
3.9
=
9.4
3
4.2
+
9.2
=
13.4
4
6.3
+
4.6
=
10.9
5
3.4
+
5.6
=
9
6
4.9
+
5.9
=
10.8
7
8.5
+
1.6
=
10.1
8
9.6
+
1.3
=
10.9
9
4.2
+
5.6
=
9.8
10
9.3
+
3.2
=
12.5
11
3.7
+
1.3
=
5
12
2.3
+
4.1
=
6.4
13
5.4
+
2.5
=
7.9
14
2.3
+
2.8
=
5.1
15
2.2
+
6.3
=
8.5