소수점 1자리 덧셈
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소숫점: 1자리 덧셈55
1
5.5
+
7.4
=
12.9
2
3.3
+
4.2
=
7.5
3
9.2
+
6.3
=
15.5
4
7.5
+
1.2
=
8.7
5
6.1
+
7.1
=
13.2
6
8.7
+
2.8
=
11.5
7
2.7
+
7.3
=
10
8
7.4
+
3.3
=
10.7
9
5.8
+
2.4
=
8.2
10
1.5
+
7.7
=
9.2
11
2.6
+
1.3
=
3.9
12
4.3
+
4.9
=
9.2
13
7.6
+
3.8
=
11.4
14
4.2
+
7.5
=
11.7
15
3.1
+
1.7
=
4.8