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소숫점: 1자리 덧셈57

1
5.7
+
5.1
=
10.8
2
2.5
+
2.4
=
4.9
3
2.6
+
1.3
=
3.9
4
1.9
+
6.5
=
8.4
5
7.8
+
5.1
=
12.9
6
9.5
+
4.9
=
14.4
7
3.3
+
5.9
=
9.2
8
5.3
+
4.4
=
9.7
9
1.6
+
2.4
=
4
10
3.9
+
3.2
=
7.1
11
9.1
+
2.2
=
11.3
12
5.5
+
5.8
=
11.3
13
5.1
+
4.6
=
9.7
14
3.5
+
6.9
=
10.4
15
2.9
+
6.3
=
9.2