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소숫점: 1자리 덧셈19

1
1.9
+
5.5
=
7.4
2
2.4
+
3.2
=
5.6
3
6.7
+
3.7
=
10.4
4
4.3
+
4.3
=
8.6
5
2.5
+
3.3
=
5.8
6
8.9
+
1.2
=
10.1
7
9.1
+
2.6
=
11.7
8
3.1
+
4.6
=
7.7
9
1.6
+
4.2
=
5.8
10
7.3
+
6.3
=
13.6
11
4.5
+
2.4
=
6.9
12
1.9
+
4.4
=
6.3
13
8.6
+
2.8
=
11.4
14
1.6
+
3.4
=
5
15
2.5
+
4.1
=
6.6