소수점 1자리 덧셈
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소숫점: 1자리 덧셈20
1
2.1
+
6.3
=
8.4
2
6.2
+
8.1
=
14.3
3
4.2
+
9.7
=
13.9
4
5.4
+
1.4
=
6.8
5
4.6
+
5.7
=
10.3
6
4.2
+
3.9
=
8.1
7
4.4
+
2.7
=
7.1
8
5.2
+
6.1
=
11.3
9
4.5
+
6.1
=
10.6
10
7.1
+
3.5
=
10.6
11
5.1
+
5.3
=
10.4
12
5.5
+
5.3
=
10.8
13
5.4
+
3.6
=
9
14
4.9
+
2.5
=
7.4
15
4.2
+
5.3
=
9.5