소수점 1자리 덧셈
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소숫점: 1자리 덧셈18
1
1.8
+
5.7
=
7.5
2
8.5
+
7.1
=
15.6
3
5.6
+
2.5
=
8.1
4
6.2
+
2.5
=
8.7
5
3.5
+
2.5
=
6
6
6.3
+
9.1
=
15.4
7
1.9
+
5.5
=
7.4
8
4.6
+
7.3
=
11.9
9
5.3
+
7.7
=
13
10
2.5
+
3.3
=
5.8
11
5.2
+
6.3
=
11.5
12
4.4
+
9.4
=
13.8
13
1.7
+
7.2
=
8.9
14
3.4
+
8.8
=
12.2
15
5.4
+
4.5
=
9.9