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소숫점: 1자리 덧셈42

1
4.2
+
8.3
=
12.5
2
9.6
+
1.6
=
11.2
3
8.3
+
8.5
=
16.8
4
3.5
+
5.4
=
8.9
5
5.4
+
5.6
=
11
6
2.9
+
1.3
=
4.2
7
2.5
+
2.2
=
4.7
8
4.8
+
3.6
=
8.4
9
1.2
+
4.2
=
5.4
10
3.5
+
5.4
=
8.9
11
3.5
+
4.6
=
8.1
12
2.7
+
1.6
=
4.3
13
1.6
+
4.5
=
6.1
14
3.1
+
1.3
=
4.4
15
6.5
+
3.6
=
10.1