소수점 1자리 덧셈
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소숫점: 1자리 덧셈57
1
5.7
+
1.1
=
6.8
2
4.1
+
5.7
=
9.8
3
1.1
+
3.1
=
4.2
4
3.9
+
1.2
=
5.1
5
7.1
+
4.9
=
12
6
3.1
+
9.8
=
12.9
7
4.9
+
8.5
=
13.4
8
5.4
+
5.1
=
10.5
9
4.9
+
9.3
=
14.2
10
5.1
+
8.2
=
13.3
11
5.3
+
2.9
=
8.2
12
9.2
+
8.1
=
17.3
13
2.5
+
4.3
=
6.8
14
5.8
+
4.2
=
10
15
3.3
+
9.4
=
12.7