Question

me ajudem a resolver as contas ?​

Answer 1

Explicação passo-a-passo:

a) [3-¹–(-3)-¹]¹=

[1/3-(-1/3)]¹=

[1/3+1/3]¹=

[2/3]¹= 2/3

b) (1/3)-³.(0,25)-²=

3³.(1/4)-²=

3³.4²=

3x3x3x4x4=

27x16=432