U = {x | x € Z, 1 < x ≤ 21}
A = {x | x is divisible by 3}
B = {x | x is divisible by 4} <...
Mathematics, 09.11.2021 23:30 mykiagamble
U = {x | x € Z, 1 < x ≤ 21}
A = {x | x is divisible by 3}
B = {x | x is divisible by 4}
C ={x | the different between the digits of the elements in the universal set is exactly 1}
Does anyone understand what does the set C ask for? I don't understand please help me urgent
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