Question

[(85-5):2 mũ 3 + 5 mũ 2]x2-40

Answer 1

[(85 - 5) : 2³ + 5²] . 2 - 40

= (80 : 8 + 25) . 2 - 40

= (10 + 25) . 2 - 40

= 35 . 2 - 40

= 70 - 40

= 30

Answer 2

[(85 - 5) : 2³ + 5²] . 2 - 40

= (80 : 8 + 25) . 2 - 40

= (10 + 25) . 2 - 40

= 35 . 2 - 40

= 70 - 40

= 30

Answer 3

[(85 - 5) : 2³ + 5²] . 2 - 40

= (80: 8 + 25) . 2 - 40

= (10 + 25) . 2 - 40

= 35 . 2 - 40

= 70 - 40

= 30