1.

Identify the symbols to be inserted in place of ∆ to make the expression correct. 5 Δ 4 Δ 21 Δ 3 Δ 27

A. –, +, ÷, =
B. +, ÷, –, =
C. =, +, ÷, –
D. ×, +, ÷, =
Answer» E.


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