소수점 1자리 덧셈
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소숫점: 1자리 덧셈39
1
3.9
+
3.6
=
7.5
2
3.6
+
2.3
=
5.9
3
4.2
+
4.5
=
8.7
4
3.2
+
2.2
=
5.4
5
8.8
+
6.1
=
14.9
6
3.9
+
9.6
=
13.5
7
2.1
+
7.3
=
9.4
8
9.5
+
2.2
=
11.7
9
5.3
+
1.4
=
6.7
10
4.6
+
3.3
=
7.9
11
4.5
+
7.5
=
12
12
8.6
+
2.8
=
11.4
13
7.4
+
7.6
=
15
14
2.2
+
2.6
=
4.8
15
2.2
+
3.5
=
5.7