소수점 1자리 덧셈
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소숫점: 1자리 덧셈42
1
4.2
+
7.5
=
11.7
2
5.5
+
8.7
=
14.2
3
1.2
+
7.3
=
8.5
4
4.2
+
3.5
=
7.7
5
4.5
+
2.3
=
6.8
6
1.1
+
3.5
=
4.6
7
1.6
+
5.1
=
6.7
8
5.3
+
5.7
=
11
9
5.3
+
4.5
=
9.8
10
7.1
+
8.5
=
15.6
11
6.2
+
4.3
=
10.5
12
7.7
+
2.4
=
10.1
13
1.3
+
7.2
=
8.5
14
3.3
+
2.1
=
5.4
15
1.2
+
6.9
=
8.1