소수점 1자리 덧셈
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소숫점: 1자리 덧셈29
1
2.9
+
2.8
=
5.7
2
8.1
+
1.8
=
9.9
3
3.4
+
1.2
=
4.6
4
6.9
+
5.4
=
12.3
5
1.8
+
3.1
=
4.9
6
5.5
+
2.1
=
7.6
7
4.2
+
1.8
=
6
8
5.4
+
8.7
=
14.1
9
5.8
+
5.1
=
10.9
10
8.9
+
6.4
=
15.3
11
3.2
+
5.3
=
8.5
12
1.6
+
4.4
=
6
13
1.6
+
4.1
=
5.7
14
3.8
+
1.9
=
5.7
15
2.8
+
4.3
=
7.1