_千克比5千克多10%,5千克比_千克少10%.

问题描述:

______千克比5千克多10%,5千克比______千克少10%.

(1)5×(1+10%),
=5×1.1,
=5.5(千克);
(2)5÷(1-10%),
=5÷

9
10

=
50
9
(千克);
故答案为:5.5,
50
9