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소숫점: 1자리 덧셈28

1
2.8
+
7.4
=
10.2
2
1.4
+
5.6
=
7
3
2.3
+
3.1
=
5.4
4
5.7
+
9.5
=
15.2
5
9.6
+
9.5
=
19.1
6
2.3
+
6.1
=
8.4
7
3.5
+
9.9
=
13.4
8
4.2
+
5.2
=
9.4
9
4.3
+
1.6
=
5.9
10
9.1
+
7.6
=
16.7
11
5.1
+
3.6
=
8.7
12
6.1
+
6.5
=
12.6
13
5.3
+
8.2
=
13.5
14
4.5
+
7.2
=
11.7
15
1.8
+
5.5
=
7.3