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소숫점: 1자리 덧셈28

1
2.8
+
7.2
=
10
2
7.4
+
8.3
=
15.7
3
1.7
+
1.4
=
3.1
4
1.1
+
3.3
=
4.4
5
3.3
+
5.2
=
8.5
6
8.1
+
3.1
=
11.2
7
1.6
+
3.5
=
5.1
8
9.5
+
7.4
=
16.9
9
1.4
+
5.7
=
7.1
10
6.3
+
9.5
=
15.8
11
5.5
+
5.3
=
10.8
12
4.4
+
6.3
=
10.7
13
1.5
+
5.6
=
7.1
14
3.6
+
2.1
=
5.7
15
9.2
+
4.1
=
13.3