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소숫점: 1자리 덧셈90

1
9.5
+
9.4
=
18.9
2
7.5
+
4.6
=
12.1
3
7.7
+
8.2
=
15.9
4
9.1
+
8.9
=
18
5
5.5
+
7.2
=
12.7
6
1.2
+
3.7
=
4.9
7
8.4
+
3.7
=
12.1
8
1.7
+
7.3
=
9
9
7.7
+
3.4
=
11.1
10
6.2
+
9.6
=
15.8
11
3.2
+
1.8
=
5
12
4.6
+
2.1
=
6.7
13
8.3
+
3.7
=
12
14
2.1
+
2.4
=
4.5
15
6.1
+
8.6
=
14.7