소수점 1자리 덧셈
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소숫점: 1자리 덧셈21
1
2.1
+
5.6
=
7.7
2
4.4
+
7.7
=
12.1
3
3.5
+
4.3
=
7.8
4
3.7
+
6.6
=
10.3
5
5.6
+
3.4
=
9
6
5.1
+
4.5
=
9.6
7
3.6
+
3.3
=
6.9
8
1.8
+
2.9
=
4.7
9
7.1
+
9.5
=
16.6
10
5.9
+
6.1
=
12
11
6.1
+
1.5
=
7.6
12
2.5
+
3.1
=
5.6
13
2.7
+
7.5
=
10.2
14
8.4
+
4.3
=
12.7
15
8.3
+
2.1
=
10.4