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소숫점: 1자리 덧셈21

1
2.1
+
9.2
=
11.3
2
4.2
+
1.1
=
5.3
3
1.4
+
5.4
=
6.8
4
1.1
+
1.5
=
2.6
5
4.7
+
3.3
=
8
6
7.4
+
2.6
=
10
7
5.4
+
2.1
=
7.5
8
6.2
+
3.9
=
10.1
9
3.5
+
2.7
=
6.2
10
5.3
+
6.1
=
11.4
11
5.3
+
6.7
=
12
12
6.1
+
6.2
=
12.3
13
7.1
+
6.2
=
13.3
14
4.4
+
1.5
=
5.9
15
2.5
+
3.7
=
6.2