소숫점: 1자리 덧셈
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소숫점: 1자리 덧셈

1
2.5
+
2.2
=
4.7
2
6.3
+
4.4
=
10.7
3
5.3
+
1.3
=
6.6
4
2.6
+
3.6
=
6.2
5
2.8
+
2.5
=
5.3
6
2.5
+
5.3
=
7.8
7
7.1
+
5.2
=
12.3
8
8.1
+
9.2
=
17.3
9
3.2
+
7.1
=
10.3
10
4.6
+
2.3
=
6.9
11
4.1
+
7.8
=
11.9
12
9.2
+
3.6
=
12.8
13
5.4
+
8.1
=
13.5
14
7.4
+
3.6
=
11
15
5.9
+
1.2
=
7.1
▲
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