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소숫점: 1자리 덧셈19

1
1.9
+
1.1
=
3
2
4.5
+
1.5
=
6
3
9.6
+
2.5
=
12.1
4
1.5
+
7.6
=
9.1
5
1.6
+
5.5
=
7.1
6
2.3
+
8.5
=
10.8
7
6.8
+
1.5
=
8.3
8
6.4
+
7.8
=
14.2
9
2.7
+
8.1
=
10.8
10
4.8
+
6.8
=
11.6
11
1.8
+
1.5
=
3.3
12
2.1
+
5.5
=
7.6
13
7.8
+
5.1
=
12.9
14
1.6
+
2.4
=
4
15
3.3
+
3.3
=
6.6