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소숫점: 1자리 덧셈18

1
1.8
+
9.1
=
10.9
2
5.3
+
3.2
=
8.5
3
4.4
+
4.8
=
9.2
4
4.6
+
1.6
=
6.2
5
5.3
+
1.1
=
6.4
6
9.1
+
8.8
=
17.9
7
2.2
+
4.9
=
7.1
8
5.5
+
6.9
=
12.4
9
2.7
+
8.5
=
11.2
10
5.3
+
6.4
=
11.7
11
2.5
+
1.5
=
4
12
3.5
+
5.4
=
8.9
13
1.6
+
3.8
=
5.4
14
6.2
+
5.6
=
11.8
15
3.4
+
1.9
=
5.3