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소숫점: 1자리 덧셈18

1
1.8
+
3.2
=
5
2
1.3
+
4.4
=
5.7
3
5.4
+
5.5
=
10.9
4
5.5
+
4.1
=
9.6
5
8.4
+
2.4
=
10.8
6
8.6
+
3.7
=
12.3
7
5.2
+
9.4
=
14.6
8
4.4
+
3.4
=
7.8
9
5.5
+
2.6
=
8.1
10
6.1
+
4.2
=
10.3
11
7.5
+
5.5
=
13
12
4.4
+
1.3
=
5.7
13
2.4
+
4.5
=
6.9
14
4.1
+
4.9
=
9
15
3.2
+
5.2
=
8.4