소수점 1자리 덧셈
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소숫점: 1자리 덧셈40
1
4.1
+
9.8
=
13.9
2
3.8
+
4.5
=
8.3
3
9.8
+
8.7
=
18.5
4
1.7
+
7.5
=
9.2
5
9.2
+
4.6
=
13.8
6
8.3
+
6.3
=
14.6
7
2.4
+
1.5
=
3.9
8
1.5
+
1.2
=
2.7
9
3.1
+
1.1
=
4.2
10
2.5
+
1.5
=
4
11
5.4
+
2.6
=
8
12
1.2
+
4.3
=
5.5
13
4.7
+
8.1
=
12.8
14
1.9
+
2.2
=
4.1
15
1.7
+
3.9
=
5.6