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소숫점: 1자리 덧셈45

1
4.5
+
7.4
=
11.9
2
2.9
+
1.6
=
4.5
3
8.5
+
2.1
=
10.6
4
8.6
+
3.1
=
11.7
5
5.8
+
5.8
=
11.6
6
3.9
+
4.1
=
8
7
7.3
+
7.9
=
15.2
8
2.4
+
6.1
=
8.5
9
8.5
+
2.3
=
10.8
10
8.8
+
2.3
=
11.1
11
6.1
+
5.3
=
11.4
12
3.5
+
6.1
=
9.6
13
8.8
+
1.8
=
10.6
14
5.2
+
9.2
=
14.4
15
4.1
+
9.3
=
13.4