소수점 1자리 덧셈
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소숫점: 1자리 덧셈55
1
5.5
+
2.4
=
7.9
2
5.7
+
4.6
=
10.3
3
4.2
+
7.4
=
11.6
4
7.1
+
3.5
=
10.6
5
9.5
+
3.4
=
12.9
6
3.4
+
1.9
=
5.3
7
6.1
+
2.4
=
8.5
8
3.4
+
4.6
=
8
9
4.1
+
6.3
=
10.4
10
8.3
+
3.4
=
11.7
11
2.1
+
7.1
=
9.2
12
3.9
+
1.2
=
5.1
13
8.1
+
2.2
=
10.3
14
2.6
+
7.4
=
10
15
7.5
+
6.2
=
13.7