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소숫점: 1자리 덧셈18

1
1.8
+
9.1
=
10.9
2
3.1
+
2.2
=
5.3
3
9.2
+
8.9
=
18.1
4
4.8
+
5.9
=
10.7
5
3.1
+
7.2
=
10.3
6
2.8
+
7.5
=
10.3
7
3.1
+
6.1
=
9.2
8
5.9
+
3.4
=
9.3
9
3.3
+
9.5
=
12.8
10
1.2
+
1.9
=
3.1
11
1.5
+
4.1
=
5.6
12
2.6
+
1.8
=
4.4
13
6.2
+
5.7
=
11.9
14
3.4
+
4.3
=
7.7
15
2.3
+
5.1
=
7.4