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소숫점: 1자리 덧셈23

1
2.3
+
8.1
=
10.4
2
1.6
+
3.7
=
5.3
3
8.5
+
3.9
=
12.4
4
1.4
+
6.1
=
7.5
5
2.2
+
6.8
=
9
6
2.6
+
4.6
=
7.2
7
8.9
+
5.8
=
14.7
8
3.4
+
4.2
=
7.6
9
1.3
+
9.6
=
10.9
10
1.2
+
5.6
=
6.8
11
3.3
+
1.7
=
5
12
3.5
+
5.5
=
9
13
4.9
+
8.3
=
13.2
14
6.7
+
3.1
=
9.8
15
2.1
+
8.8
=
10.9