소수점 1자리 덧셈
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소숫점: 1자리 덧셈23
1
2.3
+
4.1
=
6.4
2
8.4
+
2.5
=
10.9
3
8.4
+
4.2
=
12.6
4
5.8
+
2.7
=
8.5
5
9.1
+
7.6
=
16.7
6
4.5
+
1.3
=
5.8
7
3.9
+
6.5
=
10.4
8
7.1
+
4.2
=
11.3
9
9.5
+
6.3
=
15.8
10
9.5
+
9.7
=
19.2
11
8.1
+
5.3
=
13.4
12
1.2
+
5.5
=
6.7
13
2.7
+
2.4
=
5.1
14
8.4
+
4.4
=
12.8
15
9.3
+
3.4
=
12.7