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소숫점: 1자리 덧셈15

1
1.5
+
5.7
=
7.2
2
3.1
+
1.4
=
4.5
3
5.4
+
3.7
=
9.1
4
2.3
+
2.2
=
4.5
5
3.2
+
5.3
=
8.5
6
6.8
+
4.4
=
11.2
7
7.1
+
2.3
=
9.4
8
2.6
+
4.2
=
6.8
9
5.2
+
4.4
=
9.6
10
4.3
+
5.7
=
10
11
4.4
+
3.6
=
8
12
7.8
+
6.2
=
14
13
4.3
+
3.4
=
7.7
14
2.2
+
4.8
=
7
15
1.5
+
5.4
=
6.9