소수점 1자리 덧셈
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소숫점: 1자리 덧셈40
1
4.1
+
2.8
=
6.9
2
3.9
+
7.3
=
11.2
3
2.3
+
2.5
=
4.8
4
2.5
+
3.8
=
6.3
5
6.5
+
3.5
=
10
6
4.8
+
7.5
=
12.3
7
7.9
+
2.4
=
10.3
8
3.4
+
2.1
=
5.5
9
1.6
+
7.1
=
8.7
10
2.5
+
5.2
=
7.7
11
1.8
+
6.1
=
7.9
12
9.8
+
5.8
=
15.6
13
4.3
+
4.2
=
8.5
14
6.6
+
9.4
=
16
15
6.3
+
4.7
=
11