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소숫점: 1자리 덧셈15

1
1.5
+
4.2
=
5.7
2
8.9
+
4.1
=
13
3
1.7
+
3.7
=
5.4
4
5.4
+
5.1
=
10.5
5
5.8
+
3.3
=
9.1
6
1.3
+
6.6
=
7.9
7
5.6
+
8.3
=
13.9
8
2.6
+
6.4
=
9
9
3.1
+
7.1
=
10.2
10
7.5
+
2.1
=
9.6
11
7.4
+
8.5
=
15.9
12
4.1
+
4.2
=
8.3
13
7.3
+
4.8
=
12.1
14
2.2
+
2.2
=
4.4
15
3.4
+
3.9
=
7.3