Question

[(64:8-19:19)²+50:25]-(3x5-7x2)

Answer 1

[(64:8 - 19:19)² + 50:25] - (3×5 - 7×2)

= [( 8 - 1 )² + 2] - (15 - 14)

= [( 7 )² + 2] - ( 1 )

= [ 49 + 2 ] - 1

= 51 - 1

= 50 ← Resposta

Answer 2

[(64:8-19:19)^2+50:25]-(3*5-7*2)
[(8-1)^2+2]-(15-14)
[(7)^+2+2]-(1)
49+2-1=51-1=50