소수점 1자리 덧셈
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소숫점: 1자리 덧셈50
1
5.5
+
1.9
=
7.4
2
4.2
+
1.3
=
5.5
3
1.3
+
4.6
=
5.9
4
2.1
+
3.6
=
5.7
5
3.5
+
6.7
=
10.2
6
4.1
+
8.4
=
12.5
7
5.2
+
1.1
=
6.3
8
7.2
+
9.6
=
16.8
9
6.8
+
2.5
=
9.3
10
6.2
+
9.1
=
15.3
11
3.9
+
8.4
=
12.3
12
7.1
+
3.9
=
11
13
8.2
+
4.2
=
12.4
14
6.8
+
4.9
=
11.7
15
1.1
+
2.9
=
4