Question

CALCULE O VALOR DAS EXPRESSÕES NUMÉRICAS

A) √4 + √81 =

B) √81 - 72 =

C) √100 - √64 =

D) ³√81 - √4 =

Answer 1

a) 2+9=11
B) 9-72=63
C) 10-8=2
d) 4-2=2

Answer 2

a) √4 = 2; √81 = 9; 4 + 9 = 13
b) √81 = 9; 9 - 72 = -63
c) √100 = 10; √64 = 8; 10 - 8 = 2
d) Raiz cúbica de 81 = 4; √4 = 2; 4 - 2 = 2