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소숫점: 1자리 덧셈18

1
1.8
+
5.9
=
7.7
2
4.1
+
7.6
=
11.7
3
4.5
+
1.8
=
6.3
4
5.2
+
6.5
=
11.7
5
8.1
+
1.5
=
9.6
6
3.1
+
4.6
=
7.7
7
1.4
+
2.5
=
3.9
8
7.5
+
1.2
=
8.7
9
5.6
+
3.4
=
9
10
2.3
+
4.5
=
6.8
11
6.3
+
4.5
=
10.8
12
9.2
+
4.7
=
13.9
13
2.4
+
6.4
=
8.8
14
4.4
+
1.2
=
5.6
15
9.7
+
3.2
=
12.9