Question

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Answer 1

Answer:

C. 15

Step-by-step explanation:

4 square - 1 square = 15

= 4 square= 4×4 = 16

= 1 square= 1×1=1

=16-1 = 15

Answer 2

Answer:

${4}^{2} = 16 \\ {1 }^{2} = 1$

16-1 = 15

answer is c.15

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