소수점 1자리 덧셈
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소숫점: 1자리 덧셈55
1
5.5
+
1.3
=
6.8
2
5.1
+
7.8
=
12.9
3
8.7
+
8.9
=
17.6
4
1.8
+
1.3
=
3.1
5
8.9
+
3.7
=
12.6
6
2.4
+
1.7
=
4.1
7
4.4
+
4.4
=
8.8
8
2.2
+
5.6
=
7.8
9
2.1
+
7.5
=
9.6
10
8.6
+
3.9
=
12.5
11
2.3
+
5.6
=
7.9
12
7.4
+
7.5
=
14.9
13
3.5
+
7.4
=
10.9
14
9.2
+
4.8
=
14
15
1.1
+
2.3
=
3.4