THỰC HIỆN PHỘP TỚNH

Bài 2: Thực hiện phộp tớnh:

k) 2345 – 1000 : [19 – 2(21 – 18)

2

]

a) 47 – [(45.2

4

– 5

2

.12):14]

b) 50 – [(20 – 2

3

) : 2 + 34]

l) 128 – [68 + 8(37 – 35)

2

] : 4

c) 10

2

– [60 : (5

6

: 5

4

– 3.5)]

m) 568 – {5[143 – (4 – 1)

2

] + 10} : 10

d) 50 – [(50 – 2

3

.5):2 + 3]

n) 107 – {38 + [7.3

2

– 24 : 6+(9 – 7)

3

]}:15

o) 307 – [(180 – 160) : 2

2

+ 9] : 2

e) 10 – [(8

2

– 48).5 + (2

3

.10 + 8)] : 28

f) 8697 – [3

7

: 3

5

+ 2(13 – 3)]

p) 205 – [1200 – (4

2

– 2.3)

3

] : 40

q) 177 :[2.(4

2

– 9) + 3

2

(15 – 10)]

g) 2011 + 5[300 – (17 – 7)

2

]

h) 695 – [200 + (11 – 1)

2

]

r) [(25 – 2

2

.3) + (3

2

.4 + 16)]: 5

i) 129 – 5[29 – (6 – 1)

2

]

s) 125(28 + 72) – 25(3

2

.4 + 64)

j) 2010 – 2000 : [486 – 2(7

2

– 6)]

t) 500 – {5[409 – (2

3

.3 – 21)

2

] + 10

3

} : 15

III. TèM X