소수점 1자리 덧셈
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소숫점: 1자리 덧셈21
1
2.1
+
1.5
=
3.6
2
6.9
+
6.2
=
13.1
3
3.4
+
8.1
=
11.5
4
3.3
+
3.2
=
6.5
5
5.7
+
9.9
=
15.6
6
2.5
+
2.4
=
4.9
7
6.3
+
4.2
=
10.5
8
2.1
+
2.1
=
4.2
9
4.5
+
8.7
=
13.2
10
6.4
+
1.8
=
8.2
11
1.6
+
2.1
=
3.7
12
2.3
+
2.3
=
4.6
13
1.8
+
5.5
=
7.3
14
3.1
+
6.1
=
9.2
15
4.7
+
3.5
=
8.2