Question

(1,5)²-(0,5)²

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Answer 1

Resposta:

2

Explicação passo a passo:

$(1,5)^{2} - (0,5)^{2} ---> (15/10)^{2} - (5/10)^{2} ---> (3/2)^{2} - (1/2)^{2}$

$(3/2)^{2} - (1/2)^{2} ---> (9/4) - (1/4) = \frac{9-1}{4} --> \frac{8}{4} = 2$