1.

Which of the following terms are equivalent? A ‚äï B ‚äï CA ‚äï B ‚äô C A ‚äô B ‚äï CA ‚äô B ‚äô C

A. 1 and 4; 2 and 3
B. 1 and 3
C. 2 and 3
D. 1, 2 and 4
Answer» B. 1 and 3


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