Có bao nhiêu số tự nhiên chăn gồm 6 chữ số khác nhau mà trong đó có chữ SỐ 0?

sge

Step-by-step explanation:

follow nyoko sa tt_kyzhy

step-by-step explanation:

coldest temperature they recorded add me europa2433

europa2433

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.