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소숫점: 1자리 덧셈45

1
4.5
+
3.2
=
7.7
2
7.3
+
6.4
=
13.7
3
5.8
+
3.8
=
9.6
4
2.5
+
9.4
=
11.9
5
4.4
+
9.1
=
13.5
6
5.6
+
8.1
=
13.7
7
9.8
+
2.4
=
12.2
8
9.3
+
3.3
=
12.6
9
3.4
+
8.6
=
12
10
6.8
+
3.3
=
10.1
11
9.3
+
5.7
=
15
12
9.2
+
5.5
=
14.7
13
3.4
+
1.2
=
4.6
14
2.3
+
9.2
=
11.5
15
9.7
+
1.9
=
11.6