소수점 1자리 덧셈
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소숫점: 1자리 덧셈13
1
1.3
+
3.5
=
4.8
2
2.5
+
1.9
=
4.4
3
3.4
+
7.4
=
10.8
4
2.8
+
5.4
=
8.2
5
5.8
+
3.8
=
9.6
6
5.7
+
4.5
=
10.2
7
7.6
+
3.5
=
11.1
8
2.2
+
6.8
=
9
9
3.4
+
5.5
=
8.9
10
9.2
+
8.1
=
17.3
11
4.9
+
1.7
=
6.6
12
2.4
+
3.3
=
5.7
13
2.4
+
7.5
=
9.9
14
8.7
+
4.2
=
12.9
15
1.5
+
4.3
=
5.8