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소숫점: 1자리 덧셈57

1
5.7
+
5.4
=
11.1
2
2.3
+
4.3
=
6.6
3
4.2
+
9.2
=
13.4
4
7.1
+
8.1
=
15.2
5
1.9
+
5.4
=
7.3
6
8.4
+
6.8
=
15.2
7
3.9
+
1.1
=
5
8
6.1
+
6.3
=
12.4
9
6.2
+
9.6
=
15.8
10
2.5
+
9.3
=
11.8
11
6.5
+
4.4
=
10.9
12
1.3
+
4.2
=
5.5
13
3.6
+
1.7
=
5.3
14
5.5
+
2.6
=
8.1
15
8.5
+
9.1
=
17.6