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소숫점: 1자리 덧셈15

1
1.5
+
3.7
=
5.2
2
3.1
+
9.3
=
12.4
3
6.4
+
6.8
=
13.2
4
5.7
+
6.6
=
12.3
5
1.6
+
1.6
=
3.2
6
6.4
+
1.9
=
8.3
7
4.2
+
1.5
=
5.7
8
7.6
+
6.2
=
13.8
9
3.8
+
2.7
=
6.5
10
1.2
+
4.3
=
5.5
11
9.7
+
7.3
=
17
12
1.4
+
2.1
=
3.5
13
2.7
+
3.2
=
5.9
14
8.3
+
7.5
=
15.8
15
6.1
+
6.6
=
12.7