Bài 2: Thực hiện phép tính:
a) 47 – [(45.24 – 52.12):14]
b) 50 – [(20 – 23) : 2 + 34]
c) 102 – [60 : (56 : 54 – 3.5)]
d) 50 – [(50 – 23.5):2 + 3]
e) 10 – [(82 – 48).5 + (23.10 + 8)] : 28
f) 8697 – [37 : 35 + 2(13 – 3)]
g) 2011 + 5[300 – (17 – 7)2]
h) 695 – [200 + (11 – 1)2]
i) 129 – 5[29 – (6 – 1)2]
j) 2010 – 2000 : [486 – 2(72 – 6)] k) 2345 – 1000 : [19 – 2(21 – 18)2]
l) 128 – [68 + 8(37 – 35)2] : 4
m) 568 – {5[143 – (4 – 1)2] + 10} : 10
n) 107 – {38 + [7.32 – 24 : 6+(9 – 7)3]}:15
o) 307 – [(180 – 160) : 22 + 9] : 2
p) 205 – [1200 – (42 – 2.3)3] : 40
q) 177 :[2.(42 – 9) + 32(15 – 10)]
r) [(25 – 22.3) + (32.4 + 16)]: 5
s) 125(28 + 72) – 25(32.4 + 64)
t) 500 – {5[409 – (23.3 – 21)2] + 103} : 15
Loga
Sinh Học lớp 12
