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소숫점: 1자리 덧셈20

1
2.3
+
4.8
=
7.1
2
8.1
+
6.2
=
14.3
3
1.1
+
8.2
=
9.3
4
4.4
+
2.4
=
6.8
5
9.3
+
4.9
=
14.2
6
2.5
+
7.1
=
9.6
7
1.4
+
6.1
=
7.5
8
3.1
+
8.4
=
11.5
9
9.3
+
8.7
=
18
10
1.8
+
1.3
=
3.1
11
7.4
+
3.2
=
10.6
12
3.3
+
3.6
=
6.9
13
2.7
+
2.6
=
5.3
14
2.7
+
2.2
=
4.9
15
2.6
+
2.2
=
4.8