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:
find the multiple of the number 2 for each natural number x?
, 
and 
.
:
such that the expression:
?
or 
.
when:
when:
is given.
.
.
change if instead of 
, we insert 
.
, calculate: 
.
, calculate: 
.
and 
.
and 
.
and 
.
and 
.
and 
.
.
.
are all real numbers.
and 
to get 
?
and 
.
and 
is increased by the sum of the numbers 
and 
. Write down the given expression and calculate the value of the expression for 
and 
.
and the difference of 
and 
is increase by the product of 4 and the sum of 
and 
and 
.
to get the quotient of the numbers 
and 
?
find the values for b so that the number is divisible by 3 and not by 2.
and 
, which is considered to be 
. Determine whether the difference of the squares of these two numbers is divisible by 
.
, where 
is the expression 
divisible by 10?
for any integer is divisible by 6.
YES 
is given. Write down all the options for the digit a for which is the given number is:
