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소숫점: 1자리 덧셈19

1
1.9
+
1.6
=
3.5
2
1.3
+
4.5
=
5.8
3
5.9
+
9.1
=
15
4
1.4
+
6.7
=
8.1
5
5.4
+
2.3
=
7.7
6
7.7
+
2.6
=
10.3
7
4.3
+
8.5
=
12.8
8
6.2
+
6.3
=
12.5
9
6.1
+
1.7
=
7.8
10
3.4
+
8.6
=
12
11
2.3
+
6.3
=
8.6
12
8.3
+
6.2
=
14.5
13
8.5
+
5.5
=
14
14
5.3
+
9.2
=
14.5
15
8.9
+
4.3
=
13.2