Thực hiện phép tính: a, 36:{336:[200–(12+8.20)]} b, {145–[130–(246–236)]:2}.5

* Hướng dẫn giải

a, 36:{336:[200–(12+8.20)]}

= 36:{336:[200–(12+160)]}

= 36:{336:[200–172]}

= 36:{336:28}

= 36:12 = 3

b, {145–[130–(246–236)]:2}.5

= {145–[130–10:2]}.5

= {145–130}.5

= 20.5 = 100

c, 100:{250:[450–(4.$5^3$–$2^2$.25]}

= 100:{250:[450–400]}

= 100:{250:50}

= 100:5 = 20

d, 798+100:[16–2.($5^2$–22)]

= 798+100:10

= 798+10 = 808

e, (6954+1525:5+47.19).(29–58.2)

= (6954+1525:5+47.19).0 = 0

f, $2^4$.157–$2^4$.58+16

= 16.(157–58+1) = 1600