소수점 1자리 덧셈
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소숫점: 1자리 덧셈18
1
1.8
+
1.8
=
3.6
2
8.5
+
3.9
=
12.4
3
4.4
+
3.7
=
8.1
4
3.3
+
5.7
=
9
5
2.4
+
2.9
=
5.3
6
5.8
+
2.1
=
7.9
7
9.8
+
1.1
=
10.9
8
5.7
+
2.5
=
8.2
9
7.3
+
8.5
=
15.8
10
1.2
+
7.2
=
8.4
11
6.3
+
4.8
=
11.1
12
4.5
+
3.5
=
8
13
2.5
+
1.5
=
4
14
1.5
+
3.4
=
4.9
15
3.5
+
9.5
=
13