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소숫점: 1자리 덧셈42

1
4.2
+
2.9
=
7.1
2
1.8
+
5.1
=
6.9
3
6.4
+
1.1
=
7.5
4
3.3
+
2.6
=
5.9
5
2.2
+
6.6
=
8.8
6
1.7
+
7.3
=
9
7
4.2
+
1.6
=
5.8
8
9.4
+
6.4
=
15.8
9
3.9
+
8.3
=
12.2
10
8.5
+
5.7
=
14.2
11
4.3
+
7.5
=
11.8
12
3.9
+
7.3
=
11.2
13
3.6
+
2.5
=
6.1
14
7.5
+
8.5
=
16
15
2.3
+
1.4
=
3.7