Question

calcule o valor das expressões

Answer 1

A. 9[2-19]^2
9.289
2601

B. 128-2/189-125
126/64
31/16

C. 8√7+2∛7-(raíz quarta)49
7√7+2∛7

D. 26-{[-144+625]+169}
26-{481+169}
26-250
224