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소숫점: 1자리 덧셈19

1
1.9
+
6.4
=
8.3
2
9.4
+
1.6
=
11
3
9.1
+
4.2
=
13.3
4
1.6
+
4.8
=
6.4
5
8.8
+
3.4
=
12.2
6
8.3
+
9.1
=
17.4
7
7.5
+
2.5
=
10
8
2.4
+
5.9
=
8.3
9
2.4
+
8.6
=
11
10
2.2
+
1.1
=
3.3
11
8.8
+
2.5
=
11.3
12
6.5
+
4.1
=
10.6
13
1.5
+
5.1
=
6.6
14
1.1
+
4.8
=
5.9
15
1.4
+
4.5
=
5.9