소수점 1자리 덧셈
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소숫점: 1자리 덧셈30
1
3.2
+
2.9
=
6.1
2
8.1
+
1.7
=
9.8
3
8.4
+
1.3
=
9.7
4
6.3
+
2.9
=
9.2
5
3.7
+
6.2
=
9.9
6
5.7
+
4.7
=
10.4
7
6.1
+
6.2
=
12.3
8
8.9
+
2.8
=
11.7
9
9.1
+
8.2
=
17.3
10
5.8
+
1.9
=
7.7
11
7.3
+
2.2
=
9.5
12
5.6
+
2.4
=
8
13
9.3
+
4.5
=
13.8
14
7.5
+
4.4
=
11.9
15
2.5
+
5.9
=
8.4