Three plus the product of four times twelve
Hello,
N is closed for an opération(µ) means that
a,b ∈ N : a µ b ∈N (i suppose so)
Answer (1) ex 2/3 ∉ N
Answer (4) ex 2-3 ∉ N
∀ a,b ∈ N: a+b ∈N is true ; not a answer.
∀ a,b ∈ N: a*b ∈N is true ; not a answer.
Answer:
tyreagdfasgavgcrec
Step-by-step explanation:
aerbygrsyhbrsvd
Answer:
c = 2 *pie* r
Step-by-step explanation: