소수점 1자리 덧셈
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소숫점: 1자리 덧셈31
1
3.1
+
8.1
=
11.2
2
7.5
+
8.8
=
16.3
3
1.9
+
3.7
=
5.6
4
3.3
+
3.9
=
7.2
5
5.3
+
4.2
=
9.5
6
6.3
+
7.5
=
13.8
7
2.3
+
2.2
=
4.5
8
2.2
+
6.2
=
8.4
9
4.7
+
5.7
=
10.4
10
7.3
+
1.2
=
8.5
11
9.7
+
5.8
=
15.5
12
4.2
+
5.2
=
9.4
13
1.6
+
4.5
=
6.1
14
2.6
+
7.2
=
9.8
15
4.5
+
5.3
=
9.8